context: It is probable that Julius is a swan. There is little chance that Mary went to the kitchen. It is improbable that Lily is white.
hypothesis: It is likely that either Julius is a swan, or Mary went to the kitchen.
valid_hypothesis: It is likely that either Julius is a swan, or Mary went to the kitchen.
invalid_hypothesis: There is little chance that either Julius is a swan, or Mary went to the kitchen.
hypothesis_assertion: Either Julius is a swan, or Mary went to the kitchen.