YOU SAID:
I ate pizza for lunch
INTO JAPANESE
昼食にピザを食べた
BACK INTO ENGLISH
I had pizza for lunch.
INTO JAPANESE
ランチにピザを食べた。
BACK INTO ENGLISH
For lunch I ate pizza.
INTO JAPANESE
ランチにピザが食べた
BACK INTO ENGLISH
Eat pizza for lunch
INTO JAPANESE
昼食にピザを食べる
BACK INTO ENGLISH
Eat pizza for lunch
Come on, you can do better than that.