context: There is a very good chance that Greg is a swan. There is a very good chance that John moved to the garden. It is highly likely that Julius is green. It is probably not the case that if Julius is green, or Greg is a swan, then Sandra got the apple. It is likely that if Greg is a swan, or Julius is green, then Jessica is a mouse. It is highly unlikely that if Greg is a swan, and Julius is green, then Fred is in the park.
hypothesis: It is almost certain that fred is in the park, and Julius is green.
valid_hypothesis: It is highly unlikely that fred is in the park, and Julius is green.
invalid_hypothesis: It is almost certain that fred is in the park, and Julius is green.
hypothesis_assertion: Fred is in the park, and Julius is green.