YOU SAID:

my cat ran away to my neighbors house, I dont know why

INTO JAPANESE

猫が近所の家に逃げた理由がわからない

BACK INTO ENGLISH

I don't know why the cat fled to a neighbor's house

INTO JAPANESE

なぜ猫が隣人の家に逃げたのかわからない

BACK INTO ENGLISH

I don't know why the cat fled to his neighbor's house

INTO JAPANESE

猫が隣人の家に逃げた理由がわかりません

BACK INTO ENGLISH

I don't know why the cat fled to his neighbor's house