Please choose the correct ending to complete the given sentence: Fixing bicycle: A man takes a patch and put on a wheel while explaining and showing materials . then

Ending1: , the man applies the patch to the leather and continues talking. Ending2: , the man takes the wheel of a bike to fix the hole of the tube by applying a patch. Ending3: , the man wets a rag and changes the tire. Ending4: , the man do applications on the shop window.

Answer format: ending1/ending2/ending3/ending4