YOU SAID:

In my room was a giant octopus.

INTO JAPANESE

私の部屋は巨大なタコ。

BACK INTO ENGLISH

My room was a giant octopus.

INTO JAPANESE

私の部屋には巨大なタコ。

BACK INTO ENGLISH

A giant octopus in my room.

INTO JAPANESE

私の部屋に巨大なタコ。

BACK INTO ENGLISH

A giant octopus in my room.