YOU SAID:

Purple because aliens don't wear hats.

INTO JAPANESE

エイリアンは帽子をかぶらないので紫色。

BACK INTO ENGLISH

Aliens are purple because they don't wear hats.

INTO JAPANESE

エイリアンは帽子をかぶらないので紫色です。

BACK INTO ENGLISH

Aliens are purple because they don't wear hats.