Snakes and rats, because snakes and rats live together. Ha ha. . .

Just don’t fight with dragons and tigers, sheep in tigers’ mouths, chickens and dogs restless, cows, ghosts and snakes.

The above is a personal opinion, not scientific. In fact, for things like the zodiac, it can only be used as a reference, not absolute.

As long as both parties are willing to pay and take responsibility, the relationship will naturally be harmonious.