sentence: There's a dog in a living that has a messy couch and an over crowded coffee table filled with books and TV remotes. sentence:  A person walks by to lift something off the floor. sentence:  The dog watches the person and leaves the room momentarily. sentence:  Then the dog comes back and begins drinking from a coffee mug that is placed on the coffee table. sentence:  The stands on its hind legs to reach the mug and drink the liquid in it. sentence:   The dog jumps down and goes stands back up on its hind legs to drink some more from the mug. sentence:  After the dog leaves the room, a person walks in.