Please choose the correct ending to complete the given sentence: Doing motocross: A man is showing off his motorbike. He gives a small talk about his bike first. then he

Ending1: drives his bike on the track. Ending2: builds up some steam, thanking the guy. Ending3: gives a helmet to a person at the front. Ending4: talks about it and why he likes it.

Answer format: ending1/ending2/ending3/ending4