context: It is highly likely that Brian is a frog. It is almost certain that Bernhard is yellow. It is highly unlikely that Greg is a rhino. It is probably not the case that if Greg is a rhino, or Bernhard is yellow, then Mary got the football. It is certain that if either Greg is a rhino, or Brian is a frog, then John discarded the apple. There is little chance that if Brian is a frog, or Greg is a rhino, then Fred is in the park.
hypothesis: It is highly likely that either Brian is a frog, or Bernhard is yellow.
valid_hypothesis: Chances are slight that either Brian is a frog, or Bernhard is yellow.
invalid_hypothesis: It is highly likely that either Brian is a frog, or Bernhard is yellow.
hypothesis_assertion: Either Brian is a frog, or Bernhard is yellow.