context: It is highly unlikely that Mary went to the kitchen. It is probable that Greg is yellow. It is certain that Sandra took the apple. It is unlikely that if either Sandra took the apple, or Greg is yellow, then Bernhard is green. It is impossible that if either Sandra took the apple, or Greg is yellow, then Julius is gray. It is probably not the case that if Greg is yellow, and Sandra took the apple, then Brian is a swan.
hypothesis: It is probably not the case that either Sandra took the apple, or Greg is yellow.
valid_hypothesis: It is probably not the case that either Sandra took the apple, or Greg is yellow.
invalid_hypothesis: It is certain that either Sandra took the apple, or Greg is yellow.
hypothesis_assertion: Either Sandra took the apple, or Greg is yellow.