context: We believe that Emily is a cat. It is unlikely that Brian is white. It is highly likely that Mary went to the bedroom. There is little chance that if either Brian is white, or Emily is a cat, then Bernhard is a rhino. It is likely that if Brian is white, and Mary went to the bedroom, then Lily is a frog. It is probable that if either Emily is a cat, or Brian is white, then John left the milk.
hypothesis: There is a very good chance that either Mary went to the bedroom, or Bernhard is a rhino.
valid_hypothesis: There is a very good chance that either Mary went to the bedroom, or Bernhard is a rhino.
invalid_hypothesis: It is unlikely that either Mary went to the bedroom, or Bernhard is a rhino.
hypothesis_assertion: Either Mary went to the bedroom, or Bernhard is a rhino.