diff --git a/test_neutralizer/de.json b/test_neutralizer/de.json
new file mode 100644
index 0000000..0a32efe
--- /dev/null
+++ b/test_neutralizer/de.json
@@ -0,0 +1,38 @@
+[
+  {
+    "name": "Anna-Lena Schmitt",
+    "geburtsdatum": "1985-03-14",
+    "adresse": "Rosenstraße 12, 80331 München",
+    "telefon": "+49 89 12345678",
+    "email": "anna.schmitt85@gmail.com",
+    "arbeitgeber": "Müller & Partner GmbH",
+    "mitarbeiter_id": "DE19854321",
+  },
+  {
+    "name": "John Michael Anderson",
+    "birthdate": "1990-08-22",
+    "address": "1250 W Addison St, Apt 4B, Chicago, IL 60613",
+    "phone": "+1 312-555-7890",
+    "email": "jm.anderson90@yahoo.com",
+    "employer": "ClearTech Solutions",
+    "employee_id": "US65432109",
+  },
+  {
+    "nom": "Sophie Martin",
+    "date_naissance": "1978-07-02",
+    "adresse": "18 rue des Lilas, 69003 Lyon",
+    "téléphone": "+33 6 12 34 56 78",
+    "email": "sophie.martin78@orange.fr",
+    "employeur": "Banque Populaire",
+    "id_employé": "FR30219876",
+  },
+  {
+    "nome": "Giulia Bianchi",
+    "data_nascita": "1983-11-09",
+    "indirizzo": "Via della Pergola 25, 50121 Firenze",
+    "telefono": "+39 055 1234567",
+    "email": "giulia.bianchi83@libero.it",
+    "datore_di_lavoro": "Enel Energia",
+    "id_dipendente": "IT98127643",
+  }
+]
diff --git a/test_neutralizer/de.txt b/test_neutralizer/de.txt
new file mode 100644
index 0000000..283085f
--- /dev/null
+++ b/test_neutralizer/de.txt
@@ -0,0 +1 @@
+Mein Name ist Anna-Lena Schmitt, ich wurde am 14. März 1985 in München geboren. Meine aktuelle Adresse lautet: Rosenstraße 12, 80331 München. Du erreichst mich unter +49 89 12345678 oder per E-Mail an anna.schmitt85@gmail.com. Ich arbeite bei der Müller & Partner GmbH, meine Mitarbeiter-ID ist DE19854321. Meine Kontonummer bei der Deutschen Bank lautet DE89 3704 0044 0532 0130 00. Mein Ehemann Thomas Schmitt, geb. am 3. Mai 1982, arbeitet bei BMW. Unsere Tochter Lena Schmitt, geboren am 10. Oktober 2012, geht auf das Ludwig-Gymnasium.
\ No newline at end of file
diff --git a/test_neutralizer/eng.json b/test_neutralizer/eng.json
new file mode 100644
index 0000000..9c2bf8b
--- /dev/null
+++ b/test_neutralizer/eng.json
@@ -0,0 +1,17 @@
+[
+  {
+    "name": "John Michael Anderson",
+    "birthdate": "1990-08-22",
+    "address": "1250 W Addison St, Apt 4B, Chicago, IL 60613",
+    "phone": "+1 312-555-7890",
+    "email": "jm.anderson90@yahoo.com",
+    "employer": "ClearTech Solutions",
+    "employee_id": "US65432109",
+    "bank_account": "US12 1234 5678 9012 3456 78",
+    "department": "Engineering",
+    "position": "Software Developer",
+    "language": "English",
+    "employment_status": "Full-time",
+    "favorite_color": "Green"
+  }
+]
diff --git a/test_neutralizer/eng.txt b/test_neutralizer/eng.txt
new file mode 100644
index 0000000..607f72d
--- /dev/null
+++ b/test_neutralizer/eng.txt
@@ -0,0 +1 @@
+My name is John Michael Anderson, born on August 22, 1990, in Chicago, Illinois. I currently live at 1250 W Addison St, Apt 4B, Chicago, IL 60613. You can reach me at +1 312-555-7890 or via email: jm.anderson90@yahoo.com. I work at ClearTech Solutions, employee number US65432109. My Chase Bank account number is US12 1234 5678 9012 3456 78. My wife Emily Anderson, born June 18, 1991, is a nurse at Northwestern Memorial Hospital. Our son Jacob, born January 5, 2019, attends Lincoln Park Preschool.
\ No newline at end of file
diff --git a/test_neutralizer/fr.json b/test_neutralizer/fr.json
new file mode 100644
index 0000000..785f97b
--- /dev/null
+++ b/test_neutralizer/fr.json
@@ -0,0 +1,17 @@
+[
+  {
+    "nom": "Sophie Martin",
+    "date_naissance": "1978-07-02",
+    "adresse": "18 rue des Lilas, 69003 Lyon",
+    "téléphone": "+33 6 12 34 56 78",
+    "email": "sophie.martin78@orange.fr",
+    "employeur": "Banque Populaire",
+    "id_employé": "FR30219876",
+    "rib": "FR76 3000 6000 0112 3456 7890 189",
+    "département": "Ressources humaines",
+    "poste": "Responsable RH",
+    "langue": "Français",
+    "statut_emploi": "Temps plein",
+    "couleur_préférée": "Violet"
+  }
+]
diff --git a/test_neutralizer/fr.txt b/test_neutralizer/fr.txt
new file mode 100644
index 0000000..c40df02
--- /dev/null
+++ b/test_neutralizer/fr.txt
@@ -0,0 +1 @@
+Je m'appelle Sophie Martin, née le 2 juillet 1978 à Lyon. J'habite au 18 rue des Lilas, 69003 Lyon. Mon numéro de téléphone est le +33 6 12 34 56 78, mon adresse e-mail est sophie.martin78@orange.fr. Je travaille chez Banque Populaire, numéro d'employée FR30219876. Mon RIB est FR76 3000 6000 0112 3456 7890 189. Mon mari Laurent Martin, né le 12 janvier 1975, est professeur à l'Université Lyon 2. Notre fille Camille, née le 15 avril 2008, est au Collège Jean Moulin.
\ No newline at end of file
diff --git a/test_neutralizer/it.json b/test_neutralizer/it.json
new file mode 100644
index 0000000..09e7fe8
--- /dev/null
+++ b/test_neutralizer/it.json
@@ -0,0 +1,17 @@
+[
+  {
+    "nome": "Giulia Bianchi",
+    "data_nascita": "1983-11-09",
+    "indirizzo": "Via della Pergola 25, 50121 Firenze",
+    "telefono": "+39 055 1234567",
+    "email": "giulia.bianchi83@libero.it",
+    "datore_di_lavoro": "Enel Energia",
+    "id_dipendente": "IT98127643",
+    "iban": "IT60 X054 2811 1010 0000 0123 456",
+    "reparto": "Amministrazione",
+    "posizione": "Contabile",
+    "lingua": "Italiano",
+    "stato_lavorativo": "Tempo pieno",
+    "colore_preferito": "Rosso"
+  }
+]
diff --git a/test_neutralizer/it.txt b/test_neutralizer/it.txt
new file mode 100644
index 0000000..24f42ae
--- /dev/null
+++ b/test_neutralizer/it.txt
@@ -0,0 +1 @@
+Mi chiamo Giulia Bianchi, sono nata il 9 novembre 1983 a Firenze. Abito in Via della Pergola 25, 50121 Firenze. Il mio numero di telefono è +39 055 1234567 e la mia email è giulia.bianchi83@libero.it. Lavoro presso Enel Energia, numero impiegata IT98127643. Il mio IBAN è IT60 X054 2811 1010 0000 0123 456. Mio marito Marco Rossi, nato il 30 giugno 1980, è ingegnere alla Piaggio. Nostro figlio Luca, nato il 22 febbraio 2014, frequenta la Scuola Elementare Galileo Galilei.
\ No newline at end of file