context: It is improbable that John went to the office. It is probable that Julius is a rhino. It is impossible that Lily is a lion. It is unlikely that if Julius is a rhino, or John went to the office, then Winona is a cat. We believe that if John went to the office, or Julius is a rhino, then Bernhard is white. Chances are slight that if either Lily is a lion, or John went to the office, then Sandra left the football.
hypothesis: It is certain that lily is a lion, or Sandra left the football.
valid_hypothesis: There is almost no chance that lily is a lion, or Sandra left the football.
invalid_hypothesis: It is certain that lily is a lion, or Sandra left the football.
hypothesis_assertion: Lily is a lion, or Sandra left the football.