premise1: Two people riding horses in a competition with other people on horses in the background.
premise2: Two people are riding horseback in a field with a group of people far behind them.
premise3: Two people, each on a horse, riding English style in a competition.
premise4: Two people in jockey outfits are riding horses in a field of grass.
premise: Two people riding horses in a competition with other people on horses in the background. Two people are riding horseback in a field with a group of people far behind them. Two people, each on a horse, riding English style in a competition. Two people in jockey outfits are riding horses in a field of grass.
hypothesis: Guys sitting.