A man wearing a hat is balancing a tray of food on his head .
Man balancing chairs on his head .
A man wearing a hat is balancing a tray of food on his head.
Man balancing chairs on his head.
If the man is balancing a tray of food on his head, he cannot be balancing chairs.
If the man is balancing a tray of food on his head , he can not be balancing chairs .