Please choose the correct ending to complete the given sentence: Horseback riding: People ride horses on front the ocean. A woman wearing green top and a bag on her shoulder rides a horse. people

Ending1: ride on a blue colored horse in a long road. Ending2: ride in a horse cart on front a sea. Ending3: ride horses going in a line. Ending4: hold dogs on front the ocean.

Answer format: ending1/ending2/ending3/ending4