YOU SAID:
You have squirrels in your food
INTO JAPANESE
食べ物にリスがいる
BACK INTO ENGLISH
there are squirrels in the food
INTO JAPANESE
食べ物にリスがいます
BACK INTO ENGLISH
there is a squirrel in the food
INTO JAPANESE
食べ物にリスがいます
BACK INTO ENGLISH
there is a squirrel in the food
That didn't even make that much sense in English.