Please choose the correct ending to complete the given sentence: Fixing bicycle: Then, the man takes the wheel of a bike to fix the hole of the tube by applying a patch. After, the man put the tube on the wheel and pump air in the wheel. then

Ending1: , a person mend the bolt around the tube and changes the pressure, after the man puts new tubes on the tube. Ending2: , the man puts a tube on the wheel to replace the hole in the tube. Ending3: , the man put and fix the wheel in the bike. Ending4: , the man take the handlebars and air tube.

Answer format: ending1/ending2/ending3/ending4