context: It is highly unlikely that Fred left the football. It is probable that John went to the office. There is a better than even chance that Greg is a rhino.
hypothesis: It is highly likely that john went to the office, or Greg is a rhino.
valid_hypothesis: It is highly likely that john went to the office, or Greg is a rhino.
invalid_hypothesis: Chances are slight that john went to the office, or Greg is a rhino.
hypothesis_assertion: John went to the office, or Greg is a rhino.