YOU SAID:

I am a tomato;however, I am not red.

INTO JAPANESE

私はトマト; しかし、私は赤ではないです。

BACK INTO ENGLISH

My tomatoes; But I is not red.

INTO JAPANESE

私のトマト。しかし、赤ではないです。

BACK INTO ENGLISH

My tomatoes. However, it is not red.

INTO JAPANESE

私のトマト。しかし、赤はないです。

BACK INTO ENGLISH

My tomatoes. However, there is no red.

INTO JAPANESE

私のトマト。ただし、赤はありません。

BACK INTO ENGLISH

My tomatoes. However, not red.