context: Three men dressed in white shirts and white hats, (two with baseball caps, the leader with a white construction helmet), pounding sticks on steel and plastic drums.
hypothesis: There is a better than even chance that three brothers pound on some drums
valid_hypothesis: There is almost no chance that three brothers pound on some drums
invalid_hypothesis: There is a better than even chance that three brothers pound on some drums
hypothesis_assertion: Three brothers pound on some drums