Please choose the correct ending to complete the given sentence: Doing karate: A woman walks her son out to the mat and begins fixing his mat and preparing him to face his opponent. the two individuals

Ending1: begin a deep fight of fist punching and kicking and stomping when a man walks in to help pull the mat in place. Ending2: receive instructions and then the man runs a welding tool which he uses to prep the tile. Ending3: walk up to the mat and the referee gives them the signal to begin. Ending4: then begin arm wrestling and screaming.

Answer format: ending1/ending2/ending3/ending4