context: Chances are about even that Greg is green. There is little chance that Lily is a frog. There is a very good chance that Mary went to the hallway.
hypothesis: There is a better than even chance that lily is a frog, or Greg is green.
valid_hypothesis: There is a better than even chance that lily is a frog, or Greg is green.
invalid_hypothesis: Chances are slight that lily is a frog, or Greg is green.
hypothesis_assertion: Lily is a frog, or Greg is green.