YOU SAID:

I ate a purple banana at the apple store

INTO JAPANESE

私はリンゴ屋で紫色のバナナを食べた

BACK INTO ENGLISH

I ate purple bananas at an apple shop.

INTO JAPANESE

私はリンゴ屋で紫色のバナナを食べた。

BACK INTO ENGLISH

I ate purple bananas at an apple shop.