Please choose the correct ending to complete the given sentence: Assembling bicycle: A pair of handlebars are detached from the bike and is laying down flat on a table. the man

Ending1: unstraps the handlebars and puts them back up and begins to pedal of his bike. Ending2: rolls them up and ties the handles with a pulley. Ending3: then shows with his knife and begins to a process of cutting them in half and putting them back to the bike. Ending4: then picks up the handlebars and sticks them back into the bike tightening them with a key.

Answer format: ending1/ending2/ending3/ending4