sentence: A man rides his bike to a driveway and stop. sentence:  The man shows us how to collapse his bike an shows us the front tire. sentence:  He wipes the tire off with a paper towel. sentence:  The man adjusts some of the gears to disconnect the brakes. sentence:  The man takes sandpapaer and wipes a gear then wipes it with a towel. sentence:  The man rides the bike into the driveway and hops off to show us the tire.