Please choose the correct ending to complete the given sentence: Drinking coffee: The dog jumps down and goes stands back up on its hind legs to drink some more from the mug. after the dog

Ending1: drained the rest of the mug and then went back down again, the lady sits on top of the table and shows the cup with a cake of icing. Ending2: leaves the room, a person walks in. Ending3: brings another mug back to the group, the girl now using the same mug begins squeezing the lemon. Ending4: 's empty mug is drained, the performer returns to perform his routine.

Answer format: ending1/ending2/ending3/ending4