context: We believe that Bernhard is a swan. It is highly unlikely that Brian is gray. It is impossible that John moved to the office. It is highly unlikely that if either John moved to the office, or Brian is gray, then Mary went to the bedroom. We doubt that if either John moved to the office, or Brian is gray, then Sandra left the milk. It is improbable that if John moved to the office, and Bernhard is a swan, then Emily is a mouse.
hypothesis: It is probably not the case that mary went to the bedroom, or Bernhard is a swan.
valid_hypothesis: We believe that mary went to the bedroom, or Bernhard is a swan.
invalid_hypothesis: It is probably not the case that mary went to the bedroom, or Bernhard is a swan.
hypothesis_assertion: Mary went to the bedroom, or Bernhard is a swan.