context: A boy in a green shirt on a skateboard on a stone wall with graffiti
hypothesis: Chances are slight that a long-haired boy riding his skateboard at a fast pace over a stone wall with graffiti.
valid_hypothesis: Chances are slight that a long-haired boy riding his skateboard at a fast pace over a stone wall with graffiti.
invalid_hypothesis: We believe that a long-haired boy riding his skateboard at a fast pace over a stone wall with graffiti.
hypothesis_assertion: A long-haired boy riding his skateboard at a fast pace over a stone wall with graffiti.