context: Chances are about even that Julius is gray. Chances are about even that Greg is white. It is probably not the case that Lily is yellow. Chances are about even that if Lily is yellow, and Julius is gray, then John picked up the apple. It is probably not the case that if Greg is white, or Lily is yellow, then Bernhard is a lion. It is improbable that if either Julius is gray, or Greg is white, then Mary went to the hallway.
hypothesis: Chances are about even that greg is white, or Mary went to the hallway.
valid_hypothesis: Chances are about even that greg is white, or Mary went to the hallway.
invalid_hypothesis: There is almost no chance that greg is white, or Mary went to the hallway.
hypothesis_assertion: Greg is white, or Mary went to the hallway.