YOU SAID:
inside the school there is a pennis
INTO JAPANESE
学校の中にはペニスがあります
BACK INTO ENGLISH
There is a penis in the school
INTO JAPANESE
学校にペニスがあります
BACK INTO ENGLISH
There is a penis at school
INTO JAPANESE
学校にペニスがあります
BACK INTO ENGLISH
There is a penis at school
That didn't even make that much sense in English.