context: There is a better than even chance that Bernhard is gray. It is impossible that Julius is gray. We doubt that Mary went to the hallway. We believe that if Julius is gray, or Bernhard is gray, then Emily is a mouse. It is impossible that if Julius is gray, or Mary went to the hallway, then Brian is a frog. It is highly unlikely that if Julius is gray, or Bernhard is gray, then John picked up the apple.
hypothesis: It is highly unlikely that either Mary went to the hallway, or Emily is a mouse.
valid_hypothesis: Chances are about even that either Mary went to the hallway, or Emily is a mouse.
invalid_hypothesis: It is highly unlikely that either Mary went to the hallway, or Emily is a mouse.
hypothesis_assertion: Either Mary went to the hallway, or Emily is a mouse.