YOU SAID:

i can't decide who is going to peel my banana.

INTO JAPANESE

誰が私のバナナの皮をむくのか決められない。

BACK INTO ENGLISH

I can't decide who will peel my banana.

INTO JAPANESE

誰が私のバナナの皮をむくのか決められません。

BACK INTO ENGLISH

I can't decide who will peel my banana.