context: Chances are about even that Bernhard is a frog. There is little chance that Daniel dropped the milk. It is almost certain that Fred went to the hallway.
hypothesis: There is little chance that daniel dropped the milk, and Fred went to the hallway.
valid_hypothesis: There is little chance that daniel dropped the milk, and Fred went to the hallway.
invalid_hypothesis: There is a very good chance that daniel dropped the milk, and Fred went to the hallway.
hypothesis_assertion: Daniel dropped the milk, and Fred went to the hallway.