context: It is probably not the case that John dropped the milk. There is a better than even chance that Mary went to the garden. It is highly likely that Greg is a swan.
hypothesis: It is likely that john dropped the milk, or Mary went to the garden.
valid_hypothesis: It is likely that john dropped the milk, or Mary went to the garden.
invalid_hypothesis: It is unlikely that john dropped the milk, or Mary went to the garden.
hypothesis_assertion: John dropped the milk, or Mary went to the garden.