context: It is unlikely that John put down the apple. It is almost certain that Julius is white. It is likely that Greg is gray. There is a very good chance that if John put down the apple, and Julius is white, then Brian is a frog. It is probably the case that if Greg is gray, and John put down the apple, then Mary went to the hallway. There is a very good chance that if either Greg is gray, or Julius is white, then Bernhard is white.
hypothesis: It is likely that either Mary went to the hallway, or John put down the apple.
valid_hypothesis: Chances are slight that either Mary went to the hallway, or John put down the apple.
invalid_hypothesis: It is likely that either Mary went to the hallway, or John put down the apple.
hypothesis_assertion: Either Mary went to the hallway, or John put down the apple.