Please choose the correct ending to complete the given sentence: Playing squash: A man serves a ball to play squash with a partner. the men

Ending1: play squash in a semi circle. Ending2: then conspire to knock the ball and play squash. Ending3: hit the ball to the wall. Ending4: hit the ball and the opponent pretends to hit.

Answer format: ending1/ending2/ending3/ending4