context: It is impossible that John went to the garden. It is highly unlikely that Mary grabbed the milk. It is probably not the case that Greg is a swan.
hypothesis: It is likely that john went to the garden, and Mary grabbed the milk.
valid_hypothesis: It is impossible that john went to the garden, and Mary grabbed the milk.
invalid_hypothesis: It is likely that john went to the garden, and Mary grabbed the milk.
hypothesis_assertion: John went to the garden, and Mary grabbed the milk.