context: It is probably not the case that Lily is white. There is little chance that Julius is a swan. It is highly unlikely that Bernhard is a frog. It is probably not the case that if Bernhard is a frog, or Julius is a swan, then Bill moved to the office. We believe that if Bernhard is a frog, or Julius is a swan, then Mary went to the hallway. There is almost no chance that if Lily is white, and Bernhard is a frog, then Daniel dropped the apple.
hypothesis: There is little chance that either Julius is a swan, or Bill moved to the office.
valid_hypothesis: There is little chance that either Julius is a swan, or Bill moved to the office.
invalid_hypothesis: It is probable that either Julius is a swan, or Bill moved to the office.
hypothesis_assertion: Either Julius is a swan, or Bill moved to the office.