YOU SAID:

the cat in the hat cut off his tail.

INTO JAPANESE

帽子の猫が尻尾を切り落とした。

BACK INTO ENGLISH

The cat in the hat cut off its tail.

INTO JAPANESE

帽子をかぶった猫は尻尾を切り落とした。

BACK INTO ENGLISH

The cat in the hat cut off its tail.