context: It is highly unlikely that Greg is gray. It is likely that Mary went to the office. It is unlikely that John left the football. It is probable that if John left the football, and Greg is gray, then Brian is a lion. There is a very good chance that if either Greg is gray, or John left the football, then Julius is yellow. It is improbable that if Greg is gray, or Mary went to the office, then Emily is a mouse.
hypothesis: There is almost no chance that emily is a mouse, and Julius is yellow.
valid_hypothesis: There is almost no chance that emily is a mouse, and Julius is yellow.
invalid_hypothesis: It is highly likely that emily is a mouse, and Julius is yellow.
hypothesis_assertion: Emily is a mouse, and Julius is yellow.