context: There is almost no chance that Lily is a rhino. It is certain that Mary went to the hallway. There is a better than even chance that Greg is a frog.
hypothesis: It is probably not the case that either Mary went to the hallway, or Lily is a rhino.
valid_hypothesis: It is certain that either Mary went to the hallway, or Lily is a rhino.
invalid_hypothesis: It is probably not the case that either Mary went to the hallway, or Lily is a rhino.
hypothesis_assertion: Either Mary went to the hallway, or Lily is a rhino.