YOU SAID:

i like boys but the boy likes dogs and the dog chases the cat

INTO JAPANESE

私は男の子が好きですが、男の子は犬が好きで、犬は猫を追いかけます

BACK INTO ENGLISH

I like boys, boys like dogs, dogs chase cats

INTO JAPANESE

私は男の子が好き、男の子が犬が好き、犬が猫を追いかける

BACK INTO ENGLISH

I like boys, boys like dogs, dogs chase cats