premise1: A man attempting to hit a pool ball, while other men watch.
premise2: Man with black vest lines up a shot on a blue pool table.
premise3: A young man carefully prepares to take a pool shot
premise4: A man playing pool on a blue pool table.
premise: A man attempting to hit a pool ball, while other men watch. Man with black vest lines up a shot on a blue pool table. A young man carefully prepares to take a pool shot A man playing pool on a blue pool table.
hypothesis: Riders watch.