diff --git a/test_neutralizer/de.csv b/test_neutralizer/de.csv
new file mode 100644
index 0000000..d1f20de
--- /dev/null
+++ b/test_neutralizer/de.csv
@@ -0,0 +1,5 @@
+Name,Geburtsdatum,Adresse,Telefon,Email,Arbeitgeber,Mitarbeiter-ID,Kontonummer,Abteilung,Beruf,Sprache,Arbeitsstatus,Lieblingsfarbe
+Anna-Lena Schmitt,1985-03-14,"Rosenstraße 12, 80331 München",+49 89 12345678,anna.schmitt85@gmail.com,"Müller & Partner GmbH",DE19854321,"DE89 3704 0044 0532 0130 00",Marketing,Projektmanagerin,Deutsch,Vollzeit,Blau
+John Michael Anderson,1990-08-22,"1250 W Addison St, Apt 4B, Chicago, IL 60613",+1 312-555-7890,jm.anderson90@yahoo.com,"ClearTech Solutions",US65432109,"US12 1234 5678 9012 3456 78",Engineering,Software Developer,English,Full-time,Green
+Sophie Martin,1978-07-02,"18 rue des Lilas, 69003 Lyon",+33 6 12 34 56 78,sophie.martin78@orange.fr,"Banque Populaire",FR30219876,"FR76 3000 6000 0112 3456 7890 189","Ressources humaines","Responsable RH",Français,"Temps plein",Violet
+Giulia Bianchi,1983-11-09,"Via della Pergola 25, 50121 Firenze",+39 055 1234567,giulia.bianchi83@libero.it,"Enel Energia",IT98127643,"IT60 X054 2811 1010 0000 0123 456",Amministrazione,Contabile,Italiano,"Tempo pieno",Rosso
\ No newline at end of file
diff --git a/test_neutralizer/eng.csv b/test_neutralizer/eng.csv
new file mode 100644
index 0000000..530eff9
--- /dev/null
+++ b/test_neutralizer/eng.csv
@@ -0,0 +1,5 @@
+Name,Birthdate,Address,Phone,Email,Employer,Employee ID,Bank Account,Department,Position,Language,Employment Status,Favorite Color
+Anna-Lena Schmitt,1985-03-14,"Rosenstraße 12, 80331 München",+49 89 12345678,anna.schmitt85@gmail.com,"Müller & Partner GmbH",DE19854321,"DE89 3704 0044 0532 0130 00",Marketing,Projektmanagerin,Deutsch,Vollzeit,Blau
+John Michael Anderson,1990-08-22,"1250 W Addison St, Apt 4B, Chicago, IL 60613",+1 312-555-7890,jm.anderson90@yahoo.com,"ClearTech Solutions",US65432109,"US12 1234 5678 9012 3456 78",Engineering,Software Developer,English,Full-time,Green
+Sophie Martin,1978-07-02,"18 rue des Lilas, 69003 Lyon",+33 6 12 34 56 78,sophie.martin78@orange.fr,"Banque Populaire",FR30219876,"FR76 3000 6000 0112 3456 7890 189","Ressources humaines","Responsable RH",Français,"Temps plein",Violet
+Giulia Bianchi,1983-11-09,"Via della Pergola 25, 50121 Firenze",+39 055 1234567,giulia.bianchi83@libero.it,"Enel Energia",IT98127643,"IT60 X054 2811 1010 0000 0123 456",Amministrazione,Contabile,Italiano,"Tempo pieno",Rosso
\ No newline at end of file
diff --git a/test_neutralizer/fr.csv b/test_neutralizer/fr.csv
new file mode 100644
index 0000000..e54f10c
--- /dev/null
+++ b/test_neutralizer/fr.csv
@@ -0,0 +1,4 @@
+Nom,Date de naissance,Adresse,Téléphone,Email,Employeur,ID Employé,RIB,Département,Poste,Langue,Statut emploi,Couleur préféréeAnna-Lena Schmitt,1985-03-14,"Rosenstraße 12, 80331 München",+49 89 12345678,anna.schmitt85@gmail.com,"Müller & Partner GmbH",DE19854321,"DE89 3704 0044 0532 0130 00",Marketing,Projektmanagerin,Deutsch,Vollzeit,Blau
+John Michael Anderson,1990-08-22,"1250 W Addison St, Apt 4B, Chicago, IL 60613",+1 312-555-7890,jm.anderson90@yahoo.com,"ClearTech Solutions",US65432109,"US12 1234 5678 9012 3456 78",Engineering,Software Developer,English,Full-time,Green
+Sophie Martin,1978-07-02,"18 rue des Lilas, 69003 Lyon",+33 6 12 34 56 78,sophie.martin78@orange.fr,"Banque Populaire",FR30219876,"FR76 3000 6000 0112 3456 7890 189","Ressources humaines","Responsable RH",Français,"Temps plein",Violet
+Giulia Bianchi,1983-11-09,"Via della Pergola 25, 50121 Firenze",+39 055 1234567,giulia.bianchi83@libero.it,"Enel Energia",IT98127643,"IT60 X054 2811 1010 0000 0123 456",Amministrazione,Contabile,Italiano,"Tempo pieno",Rosso
\ No newline at end of file
diff --git a/test_neutralizer/it.csv b/test_neutralizer/it.csv
new file mode 100644
index 0000000..4311ccb
--- /dev/null
+++ b/test_neutralizer/it.csv
@@ -0,0 +1,4 @@
+Nome,Data di nascita,Indirizzo,Telefono,Email,Datore di lavoro,ID Dipendente,IBAN,Reparto,Posizione,Lingua,Stato lavorativo,Colore preferitoAnna-Lena Schmitt,1985-03-14,"Rosenstraße 12, 80331 München",+49 89 12345678,anna.schmitt85@gmail.com,"Müller & Partner GmbH",DE19854321,"DE89 3704 0044 0532 0130 00",Marketing,Projektmanagerin,Deutsch,Vollzeit,Blau
+John Michael Anderson,1990-08-22,"1250 W Addison St, Apt 4B, Chicago, IL 60613",+1 312-555-7890,jm.anderson90@yahoo.com,"ClearTech Solutions",US65432109,"US12 1234 5678 9012 3456 78",Engineering,Software Developer,English,Full-time,Green
+Sophie Martin,1978-07-02,"18 rue des Lilas, 69003 Lyon",+33 6 12 34 56 78,sophie.martin78@orange.fr,"Banque Populaire",FR30219876,"FR76 3000 6000 0112 3456 7890 189","Ressources humaines","Responsable RH",Français,"Temps plein",Violet
+Giulia Bianchi,1983-11-09,"Via della Pergola 25, 50121 Firenze",+39 055 1234567,giulia.bianchi83@libero.it,"Enel Energia",IT98127643,"IT60 X054 2811 1010 0000 0123 456",Amministrazione,Contabile,Italiano,"Tempo pieno",Rosso
\ No newline at end of file