Please choose the correct ending to complete the given sentence: Playing squash: Two individuals play squash together in an indoor court. One of the individuals recovers the ball and serves. the same individual

Ending1: recovers the ball and serves again. Ending2: serves from the opposing squad. Ending3: serves the ball for the other individual. Ending4: served a ball toward the other individual.

Answer format: ending1/ending2/ending3/ending4