context: It is unlikely that Greg is gray. There is little chance that John put down the milk. Chances are slight that Sandra got the football.
hypothesis: It is probably the case that sandra got the football, and Greg is gray.
valid_hypothesis: There is almost no chance that sandra got the football, and Greg is gray.
invalid_hypothesis: It is probably the case that sandra got the football, and Greg is gray.
hypothesis_assertion: Sandra got the football, and Greg is gray.