—No, I can't.

—        , It's a horse.

—Yes, I can.

    This is a farm. Look! There are (有) so many animals! There are three pigs, five hens and four horses. Two cows are under the tree. Six birds are in the tree. There is a big house behind (在…后面) the tree.

根据短文内容，选择正确答案。