A young woman was at the cinema,and she was enjoying the film very much.In the next seat there was an old man,and he began looking on the floor under him.The woman was angry and whispered ,"What are you doing now? What are you looking for?" "A piece of chocolate ,"the man whispered to her,"I've dropped it on the floor." "A piece of chocolate? "the woman said angrily,"It s dirty now! Take this and be quiet, please! I'm listening to the film!"She gave the man a big piece of chocolate. "But."the man said,"my teeth are in the piece on the floor!" At last the woman knew that the man was looking for   _  .
the piece of chocolate his seat the big piece of chocolate his teeth