context: It is highly likely that John grabbed the apple. It is likely that Mary went to the bedroom. There is a very good chance that Julius is a swan.
hypothesis: It is improbable that john grabbed the apple, and Mary went to the bedroom.
valid_hypothesis: There is a better than even chance that john grabbed the apple, and Mary went to the bedroom.
invalid_hypothesis: It is improbable that john grabbed the apple, and Mary went to the bedroom.
hypothesis_assertion: John grabbed the apple, and Mary went to the bedroom.