Please choose the correct ending to complete the given sentence: Playing squash: Two mean stand on a racquetball court. the men

Ending1: throw the balls against the pin at opposite sides of the court. Ending2: then take turns walking backward toward the racquetball table. Ending3: position themselves then sit on the floor. Ending4: stretch then begin playing.

Answer format: ending1/ending2/ending3/ending4