context: It is improbable that Brian is a frog. There is little chance that John left the milk. It is highly likely that Julius is green.
hypothesis: There is a better than even chance that brian is a frog, and Julius is green.
valid_hypothesis: There is little chance that brian is a frog, and Julius is green.
invalid_hypothesis: There is a better than even chance that brian is a frog, and Julius is green.
hypothesis_assertion: Brian is a frog, and Julius is green.