Please choose the correct ending to complete the given sentence: Fixing bicycle: A bike with a deflated tire goes through the dirt. A man gets off the bike to look at it. he

Ending1: puts his shirt on it and rubs the tire. Ending2: mounts the bike and goes onto an enclosed track. Ending3: removes the tire from the bike. Ending4: opens the tire and examines it.

Answer format: ending1/ending2/ending3/ending4