context: We believe that John went to the office. It is probably the case that Jessica is a mouse. It is highly unlikely that Brian is yellow.
hypothesis: It is almost certain that jessica is a mouse, or John went to the office.
valid_hypothesis: It is almost certain that jessica is a mouse, or John went to the office.
invalid_hypothesis: Chances are about even that jessica is a mouse, or John went to the office.
hypothesis_assertion: Jessica is a mouse, or John went to the office.