Please choose the correct ending to complete the given sentence: Fixing bicycle: A man is kneeling down next to an exercise bike. he

Ending1: gets on the bike and begins running. Ending2: checks the settings on the bike while he works out. Ending3: begins to take the bike apart. Ending4: clips the straps of the bike to make it bigger.

Answer format: ending1/ending2/ending3/ending4