YOU SAID:

i eat food for lunch but rocks for dinner

INTO JAPANESE

私は昼食には食べ物を食べるが、夕食には岩を食べる

BACK INTO ENGLISH

I eat food for lunch but rocks for dinner

INTO JAPANESE

昼食は食べ物を食べるが、夕食は岩を食べる

BACK INTO ENGLISH

Lunch eats food, but dinner eats rocks

INTO JAPANESE

昼食は食べ物を食べるが、夕食は岩を食べる

BACK INTO ENGLISH

Lunch eats food, but dinner eats rocks