Please choose the correct ending to complete the given sentence: Starting a campfire: A boy is standing in the woods with another boy. He lights a fire, then throws it at a pile. the two boys

Ending1: begin knee wrestling on the ground. Ending2: stand on top of a pile of sticks. Ending3: then run back to the fire. Ending4: stare at the pile while it burns.

Answer format: ending1/ending2/ending3/ending4