context: We doubt that John is in the office. It is highly likely that Brian is yellow. It is probably the case that Greg is a frog.
hypothesis: We believe that greg is a frog, or John is in the office.
valid_hypothesis: We believe that greg is a frog, or John is in the office.
invalid_hypothesis: Chances are slight that greg is a frog, or John is in the office.
hypothesis_assertion: Greg is a frog, or John is in the office.