context: We believe that Jessica is a mouse. It is probable that Julius is a lion. We believe that John went to the garden.
hypothesis: Chances are about even that john went to the garden, or Julius is a lion.
valid_hypothesis: It is almost certain that john went to the garden, or Julius is a lion.
invalid_hypothesis: Chances are about even that john went to the garden, or Julius is a lion.
hypothesis_assertion: John went to the garden, or Julius is a lion.