Please choose the correct ending to complete the given sentence: Spinning: A man in a red shirt is sitting at an exercise bike. he

Ending1: is moving his legs on the pedals. Ending2: has on a pair of low riding black riding boots. Ending3: is doing various exercises and moves. Ending4: disassembles the bike and lights a match to start the machine.

Answer format: ending1/ending2/ending3/ending4