context: It is almost certain that Bernhard is a lion. It is almost certain that Mary grabbed the milk. It is probably the case that Bill went to the hallway. It is impossible that if either Bernhard is a lion, or Mary grabbed the milk, then Daniel is in the office. It is impossible that if Bill went to the hallway, and Bernhard is a lion, then Lily is gray. It is improbable that if either Mary grabbed the milk, or Bill went to the hallway, then Greg is white.
hypothesis: It is impossible that daniel is in the office, and Greg is white.
valid_hypothesis: It is impossible that daniel is in the office, and Greg is white.
invalid_hypothesis: It is certain that daniel is in the office, and Greg is white.
hypothesis_assertion: Daniel is in the office, and Greg is white.