context: There is a better than even chance that Greg is white. It is probably the case that Lily is yellow. It is certain that Bernhard is a lion. It is likely that if Greg is white, and Bernhard is a lion, then Daniel grabbed the apple. It is likely that if either Greg is white, or Bernhard is a lion, then Mary went to the hallway. It is probably not the case that if either Bernhard is a lion, or Greg is white, then Emily is a mouse.
hypothesis: It is impossible that mary went to the hallway, and Greg is white.
valid_hypothesis: It is impossible that mary went to the hallway, and Greg is white.
invalid_hypothesis: It is probable that mary went to the hallway, and Greg is white.
hypothesis_assertion: Mary went to the hallway, and Greg is white.