context: It is improbable that Daniel is in the office. It is improbable that Sandra grabbed the milk. There is a very good chance that Greg is a rhino. It is almost certain that if either Daniel is in the office, or Sandra grabbed the milk, then Lily is white. It is probably not the case that if Daniel is in the office, and Greg is a rhino, then Julius is gray. It is certain that if either Greg is a rhino, or Daniel is in the office, then Brian is a swan.
hypothesis: We doubt that lily is white, or Daniel is in the office.
valid_hypothesis: We doubt that lily is white, or Daniel is in the office.
invalid_hypothesis: It is certain that lily is white, or Daniel is in the office.
hypothesis_assertion: Lily is white, or Daniel is in the office.