context: It is almost certain that Daniel put down the milk. It is probable that Julius is a frog. It is probable that Mary moved to the office.
hypothesis: Chances are about even that mary moved to the office, and Julius is a frog.
valid_hypothesis: Chances are about even that mary moved to the office, and Julius is a frog.
invalid_hypothesis: It is highly unlikely that mary moved to the office, and Julius is a frog.
hypothesis_assertion: Mary moved to the office, and Julius is a frog.