Please choose the correct ending to complete the given sentence: Assembling bicycle: Tools sit on a table and we see a person unpack a bike and assemble it. We see the man put a tire on the bike. a person

Ending1: is applying a coat of plaster on the bike. Ending2: turns it on and puts a catch into it. Ending3: tightens the holds on the handlebars. Ending4: takes the tarp off the bike.

Answer format: ending1/ending2/ending3/ending4