Прочитай рассказ и найди в тексте ответ на вопрос: "Why is

Прочитай рассказ и найди в тексте ответ на вопрос: "Why is Nick sad?"

Nick has got nine pets: a hen, a rabbit, a dog, a frog, a pig, a duck, a fish, a cockerel and a cat.
The rabbit, the duck and the cat are grey. The dog and the hen are black. The frog is green. The cockerel and the fish are red. The pig is pink. Nick likes his pets. His pets like Nick too. But Nick is sad. His cat likes the fish. The cat is strong and bad.