context: It is impossible that Lily is a rhino. It is likely that Mary left the apple. It is certain that John moved to the office. There is little chance that if Mary left the apple, or Lily is a rhino, then Brian is green. It is improbable that if Lily is a rhino, or John moved to the office, then Fred is in the bedroom. Chances are slight that if John moved to the office, and Lily is a rhino, then Greg is a frog.
hypothesis: It is highly unlikely that brian is green, and Mary left the apple.
valid_hypothesis: It is highly unlikely that brian is green, and Mary left the apple.
invalid_hypothesis: It is probably the case that brian is green, and Mary left the apple.
hypothesis_assertion: Brian is green, and Mary left the apple.