Please choose the correct ending to complete the given sentence: Fixing bicycle: The tire is flat and he feels it. He hooks the air pump up to the tire. Tools are sitting on a brick wall. he

Ending1: works the rope to tighten it to fit the tire. Ending2: unscrews the tire and lets the air out. Ending3: gets his tools and starts cleaning the tire off the wall. Ending4: turns the bike upside down to look at the tire.

Answer format: ending1/ending2/ending3/ending4