Please choose the correct ending to complete the given sentence: Calf roping: A man is riding on a brown horse. he

Ending1: jumps off the horse and grabs a calf. Ending2: is grooming the horse's mane. Ending3: is using a rope to tie his horse up. Ending4: is chasing a big blue and white horse.

Answer format: ending1/ending2/ending3/ending4