Please choose the correct ending to complete the given sentence: Hopscotch: A group of children are playing in a yard. they

Ending1: have drawn hopscotch on the ground with chalk. Ending2: are using paintball guns. Ending3: are using paintball guns against a small group of people. Ending4: are using tennis rackets to hit the ball back and forth.

Answer format: ending1/ending2/ending3/ending4