The bomb and the pilot

3 people were on a plane. One said to the pilot, "I have a glass bottle. What do I do with it?" The pilot told him to throw it out the window. The second one asked the same question and the pilot also told him to throw it out the window. The third one asked the pilot, "I have a bomb. What do I do with it?" The pilot told him to throw it out the window. When they landed they met a man crying. When asked why he was crying, he replied, "Because I got hit in the head with a glass bottle. They met a woman who was crying for the same reason. Then the met a man laughing. They asked him why he was laughing and he replied, "Because I walked by a building and farted. Then the building blew up.