Please choose the correct ending to complete the given sentence: Fixing bicycle: Two men are crouched on the ground outside a bike path. they

Ending1: eat dirt while they do first person work. Ending2: are working on a broken down bike. Ending3: are cleaning the bikes with two small sprayer guns. Ending4: are using badminton balls to hit a birdie into a gym.

Answer format: ending1/ending2/ending3/ending4