Please choose the correct ending to complete the given sentence: Brushing teeth: He takes his toothbrush in his hand and and then waits for an adult to put toothpaste on it. then he

Ending1: puts toothpaste on the plastic toothbrush and makes small faces. Ending2: puts a tongue depressor on it and rubs it on his teeth. Ending3: begins brushing his teeth by himself. Ending4: puts on long pants, picks up his shirt and a cowboy hat on to put on while holding the bowl of white paint.

Answer format: ending1/ending2/ending3/ending4