YOU SAID:
School is not good for pizza
INTO JAPANESE
学校はピザに良くないです。
BACK INTO ENGLISH
Schools are not good pizza.
INTO JAPANESE
学校は良いピザではないです。
BACK INTO ENGLISH
School is not good pizza.
INTO JAPANESE
学校は良いピザではありません。
BACK INTO ENGLISH
School is not a good pizza.
INTO JAPANESE
学校は良いピザではありません。
BACK INTO ENGLISH
School is not a good pizza.
You've done this before, haven't you.