Please choose the correct ending to complete the given sentence: Fixing bicycle: A man named russ is standing in a shop called out-n-back bicycle specialist and is holding a tire as he talks. A few colorful screens display with words on them. the man

Ending1: is once again shown with the tire and he begins to show how he removes the rubber from the rim using a blue object. Ending2: points the left tire and simulates exercising using his hand to drill holes while also demonstrating how to tighten the jack. Ending3: is describing the mechanics of fit tire and what it should look like after being molded. Ending4: talks about the gadget as he shows the components.

Answer format: ending1/ending2/ending3/ending4