premise: Two brown-skinned boys, One in a yellow t-shirt and beige pants with sandals, riding behind a smaller boy in a striped blue shirt and white pants, both riding a blue chopper bicycle. hypothesis: Brothers are on a bike.
neutral: Just because Two brown-skinned boys, One in a yellow t-shirt and beige pants with sandals, riding behind a smaller boy in a striped blue shirt and white pants, both riding a blue chopper bicycle does not mean they are brothers.