context: A man skateboarding at a skateboarding park which is covered in graffiti.
hypothesis: It is highly likely that a man is skateboarding at a place that has gang presence.
valid_hypothesis: Chances are slight that a man is skateboarding at a place that has gang presence.
invalid_hypothesis: It is highly likely that a man is skateboarding at a place that has gang presence.
hypothesis_assertion: A man is skateboarding at a place that has gang presence.