Tom is a police officer. At a dinner party, a group of people are speaking in a derogatory manner about people of certain race. Tom believes the conversation is inappropriate, but decides to excuse himself from the table until the conversation is over rather than expressing his opinion.

《riddle》 a man is stranded on an island covered in forest. one day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. the fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process. there are cliffs around the island so he can't jump off. how can the man survive the fire? (there are no buckets or any other means to put out the fire.)