YOU SAID:
The cat is black and i like black cats
INTO JAPANESE
猫は黒くて、私は黒猫が好きです
BACK INTO ENGLISH
Cats are black and i like black cats
INTO JAPANESE
猫は黒で、私は黒猫が好きです
BACK INTO ENGLISH
Cats are black, i like black cats
INTO JAPANESE
猫は黒いです、私は黒い猫が好きです
BACK INTO ENGLISH
Cats are black, i like black cats
You've done this before, haven't you.