False teeth

Two old friends are fishing. One of them sneezes and his false teeth falls into the sea. His friend starts to laugh a lot. After a time, his friend continues laughing while he is fishing, and suddenly, he gets a big fish. He decides to put his false teeth inside the fish's mouth to make her friend laugh. When he shows the fish with his friend, the other one throw the fish into the water, with the false teeth, because he was before laugh!