context: There is a better than even chance that Daniel left the football. It is probably the case that Lily is gray. It is likely that Greg is a rhino. There is a better than even chance that if Greg is a rhino, and Lily is gray, then Julius is a swan. We doubt that if either Greg is a rhino, or Lily is gray, then Fred went to the hallway. There is a better than even chance that if Greg is a rhino, or Daniel left the football, then Mary picked up the apple.
hypothesis: It is probably not the case that greg is a rhino, or Fred went to the hallway.
valid_hypothesis: We believe that greg is a rhino, or Fred went to the hallway.
invalid_hypothesis: It is probably not the case that greg is a rhino, or Fred went to the hallway.
hypothesis_assertion: Greg is a rhino, or Fred went to the hallway.