Please choose the correct ending to complete the given sentence: Playing pool: There is a pool table with billiard balls on it. a person

Ending1: walks into a room and adds a tip onto the table. Ending2: walks across the table, passing a green billiard ball on the green that is on the table next to the green pool table. Ending3: serves a shot, then the man talks, stands and walks away from the table. Ending4: has a pool cue in their hand.

Answer format: ending1/ending2/ending3/ending4