Please choose the correct ending to complete the given sentence: Horseback riding: Man is standing in front of a horse in a barn. people

Ending1: are omuing snowy land in a wheelbarrow. Ending2: were going running in a field holding frisbees and other men are kneeling in a track. Ending3: are riding horses in a line in a alrge gren grassy field. Ending4: are walking in the london of a small town.

Answer format: ending1/ending2/ending3/ending4