context: It is likely that Jeff discarded the apple. Chances are slight that Mary went to the bedroom. We believe that John moved to the office. Chances are about even that if either Jeff discarded the apple, or John moved to the office, then Greg is a rhino. It is highly unlikely that if John moved to the office, or Jeff discarded the apple, then Julius is white. It is improbable that if Jeff discarded the apple, and Mary went to the bedroom, then Brian is green.
hypothesis: There is little chance that greg is a rhino, or Jeff discarded the apple.
valid_hypothesis: There is a very good chance that greg is a rhino, or Jeff discarded the apple.
invalid_hypothesis: There is little chance that greg is a rhino, or Jeff discarded the apple.
hypothesis_assertion: Greg is a rhino, or Jeff discarded the apple.