context: There is a better than even chance that Greg is a swan. There is a better than even chance that Bernhard is a lion. It is improbable that Mary took the apple. It is probable that if either Greg is a swan, or Bernhard is a lion, then Emily is a mouse. It is highly unlikely that if either Bernhard is a lion, or Greg is a swan, then Lily is white. There is little chance that if either Mary took the apple, or Bernhard is a lion, then John moved to the office.
hypothesis: It is certain that lily is white, and John moved to the office.
valid_hypothesis: It is impossible that lily is white, and John moved to the office.
invalid_hypothesis: It is certain that lily is white, and John moved to the office.
hypothesis_assertion: Lily is white, and John moved to the office.