Please choose the correct ending to complete the given sentence: Drinking coffee: Then the dog comes back and begins drinking from a coffee mug that is placed on the coffee table. The stands on its hind legs to reach the mug and drink the liquid in it. the dog

Ending1: proceeds to slobber on the dog's leg and the person turns it over. Ending2: jumps down and goes stands back up on its hind legs to drink some more from the mug. Ending3: moves back and forth swimming through the mug. Ending4: studies the mug and then takes it off the coffee table.

Answer format: ending1/ending2/ending3/ending4