context: Two men are sitting on a grassy hillside wearing bike helmets.
hypothesis: It is probable that two sad men are sitting on a grassy hillside wearing bike helmets.
valid_hypothesis: There is almost no chance that two sad men are sitting on a grassy hillside wearing bike helmets.
invalid_hypothesis: It is probable that two sad men are sitting on a grassy hillside wearing bike helmets.
hypothesis_assertion: Two sad men are sitting on a grassy hillside wearing bike helmets.