Please choose the correct ending to complete the given sentence: Horseback riding: People are riding horses along a dirt trail. They are crossing a river of water on the horses. they

Ending1: continue on their ride on the horses. Ending2: are riding a small horses on the horse and behind the horses. Ending3: are chasing a big calf in a pen. Ending4: are riding around small and rocky rocks.

Answer format: ending1/ending2/ending3/ending4