YOU SAID:

I want to find a yellow cat and pet it on it's back

INTO JAPANESE

私は黄色い猫を見つけてそれを後ろにペットに入れたいです。

BACK INTO ENGLISH

I want to find a yellow cat and put it behind in a pet.

INTO JAPANESE

黄色い猫を見つけてそれをペットの中に置きたい

BACK INTO ENGLISH

I want to find a yellow cat and put it in my pet

INTO JAPANESE

黄色い猫を見つけてペットに入れたい

BACK INTO ENGLISH

I want to find a yellow cat and put it in my pet