YOU SAID:

I once gave my favorite dog to my sister's dog

INTO JAPANESE

私は一度私の妹の犬に私のお気に入りの犬を与えた

BACK INTO ENGLISH

I once gave my favorite dog of my sister's dog

INTO JAPANESE

私はかつて私の妹の犬の私のお気に入りの犬を与えた

BACK INTO ENGLISH

I once gave my sister my dog's favorite dog

INTO JAPANESE

私はかつて私の妹私の犬のお気に入りの犬を与えた

BACK INTO ENGLISH

I once gave my sister my favorite dog

INTO JAPANESE

私はかつて私のお気に入りの犬の妹を与えた

BACK INTO ENGLISH

I once gave my sister my favorite dog