context: There is little chance that Fred went to the hallway. It is improbable that Bernhard is green. It is highly unlikely that Daniel got the milk. There is little chance that if Fred went to the hallway, and Daniel got the milk, then Julius is a frog. It is almost certain that if Bernhard is green, and Daniel got the milk, then Greg is a rhino. It is probable that if Fred went to the hallway, and Bernhard is green, then Bill moved to the garden.
hypothesis: It is certain that bill moved to the garden, or Daniel got the milk.
valid_hypothesis: It is highly unlikely that bill moved to the garden, or Daniel got the milk.
invalid_hypothesis: It is certain that bill moved to the garden, or Daniel got the milk.
hypothesis_assertion: Bill moved to the garden, or Daniel got the milk.