YOU SAID:

This pen wont eat your food when in dogs

INTO JAPANESE

このペンはあなたの食べ物を犬の中で食べません

BACK INTO ENGLISH

This pen does not eat your food in a dog

INTO JAPANESE

このペンはあなたの食べ物を犬で食べません

BACK INTO ENGLISH

This pen does not eat your food with a dog

INTO JAPANESE

このペンは犬と食​​べ物を食べません

BACK INTO ENGLISH

This pen does not eat dogs and food

INTO JAPANESE

このペンは犬や食べ物を食べません