A riddle．(谜语)

I have a round face．

I have two hands．

I can't talk, but I can walk．

I can tell you the time．

Do you know who I am?

A：What do you play?

B：I play the piano．

A：Do you like football?

B：No, I don’t．

A：Do you like basketball?

B：Yes, I do．

A：Let’s go and play volleyball．

B：OK, let’s go．