context: It is probable that Bernhard is a frog. It is certain that Mary went to the kitchen. It is certain that John discarded the milk. There is a very good chance that if John discarded the milk, or Mary went to the kitchen, then Gertrude is a mouse. It is almost certain that if Bernhard is a frog, and Mary went to the kitchen, then Greg is green. Chances are slight that if Mary went to the kitchen, and Bernhard is a frog, then Lily is a rhino.
hypothesis: It is likely that lily is a rhino, or Bernhard is a frog.
valid_hypothesis: It is likely that lily is a rhino, or Bernhard is a frog.
invalid_hypothesis: It is highly unlikely that lily is a rhino, or Bernhard is a frog.
hypothesis_assertion: Lily is a rhino, or Bernhard is a frog.