context: There is little chance that John left the apple. It is probable that Lily is a lion. It is improbable that Mary moved to the office. It is impossible that if John left the apple, and Mary moved to the office, then Bernhard is gray. It is highly likely that if Lily is a lion, and Mary moved to the office, then Julius is green. Chances are about even that if either Mary moved to the office, or Lily is a lion, then Greg is a frog.
hypothesis: It is likely that either Lily is a lion, or Mary moved to the office.
valid_hypothesis: It is likely that either Lily is a lion, or Mary moved to the office.
invalid_hypothesis: Chances are slight that either Lily is a lion, or Mary moved to the office.
hypothesis_assertion: Either Lily is a lion, or Mary moved to the office.