question: A man is standing in a bar when he suddenly sees someone run by with a gun.  He is baffled by this person running by and decides to pursue him.  The man happens to be a police man and he chases the man with the gun for a long time.  by the time the police man finally reaches the man with the gun he arrests him.     What was the first thing the policeman did?
choices.label: A B C D E
choices.text: turn public policeman he stood in bar meeting place