context: There is a better than even chance that Julius is a rhino. It is highly likely that Lily is green. We believe that Gertrude is a cat. It is highly unlikely that if either Gertrude is a cat, or Lily is green, then Bernhard is a lion. It is improbable that if Julius is a rhino, or Lily is green, then Sandra got the football. It is probable that if either Lily is green, or Gertrude is a cat, then John moved to the office.
hypothesis: It is certain that john moved to the office, and Gertrude is a cat.
valid_hypothesis: It is highly unlikely that john moved to the office, and Gertrude is a cat.
invalid_hypothesis: It is certain that john moved to the office, and Gertrude is a cat.
hypothesis_assertion: John moved to the office, and Gertrude is a cat.