context: It is almost certain that Sandra got the apple. It is improbable that Lily is green. It is certain that Winona is a cat. It is probable that if Sandra got the apple, and Lily is green, then Bernhard is a swan. There is a better than even chance that if either Lily is green, or Winona is a cat, then Mary went to the office. It is probably the case that if Lily is green, or Winona is a cat, then Bill moved to the office.
hypothesis: It is probable that bill moved to the office, or Bernhard is a swan.
valid_hypothesis: It is probable that bill moved to the office, or Bernhard is a swan.
invalid_hypothesis: It is probably not the case that bill moved to the office, or Bernhard is a swan.
hypothesis_assertion: Bill moved to the office, or Bernhard is a swan.