context: There is almost no chance that Julius is gray. It is improbable that Mary went to the office. There is almost no chance that John is in the hallway. It is unlikely that if either Mary went to the office, or Julius is gray, then Greg is white. There is almost no chance that if either Mary went to the office, or Julius is gray, then Brian is yellow. It is unlikely that if John is in the hallway, and Mary went to the office, then Bernhard is a frog.
hypothesis: There is almost no chance that mary went to the office, and Greg is white.
valid_hypothesis: There is almost no chance that mary went to the office, and Greg is white.
invalid_hypothesis: It is highly likely that mary went to the office, and Greg is white.
hypothesis_assertion: Mary went to the office, and Greg is white.