英语作文:写两个动物进行比较

In my family, there are two pets. One is a dog, the other is a cat. They are good friends. The dog is bigger than the cat, but it isnt fatter than the cat. The dog likes eating stone,but the cat likes eating fish better. The dog runs faster than the cat, but the cat can climb the tree.The dog cant climb the tree. When the cat is in the tree, the dog only stays under the tree. it is very funny, isnt it?