context: There is almost no chance that John dropped the apple. It is probably not the case that Lily is a rhino. We believe that Winona is a wolf. There is a better than even chance that if either John dropped the apple, or Lily is a rhino, then Julius is green. It is improbable that if John dropped the apple, and Lily is a rhino, then Bernhard is a swan. It is probably the case that if Winona is a wolf, and John dropped the apple, then Mary went to the office.
hypothesis: It is impossible that john dropped the apple, and Bernhard is a swan.
valid_hypothesis: It is impossible that john dropped the apple, and Bernhard is a swan.
invalid_hypothesis: It is probably the case that john dropped the apple, and Bernhard is a swan.
hypothesis_assertion: John dropped the apple, and Bernhard is a swan.