YOU SAID:

how old is the cat named joe? i know he turned 15 a while ago because 15 is purple and he only wears purple!

INTO JAPANESE

その猫は何歳ですか。私は15は紫色で、彼は唯一の紫色を身に着けているので、私は彼がしばらく前に15歳になったことを知っています!

BACK INTO ENGLISH

How old is the cat? I know he turned 15 a while ago because 15 is purple and he only wears purple!

INTO JAPANESE

猫は何歳ですか。私は15が紫色で、彼は紫色しか着っていないので、私は彼がしばらく前に15歳になったことを知っています!

BACK INTO ENGLISH

How old is the cat? I know he turned 15 a while ago because 15 is purple and he only wears purple!