context: There is little chance that Julius is a swan. It is probably the case that Bernhard is a lion. There is almost no chance that Lily is yellow. It is unlikely that if either Bernhard is a lion, or Julius is a swan, then John went to the bedroom. It is unlikely that if either Bernhard is a lion, or Lily is yellow, then Mary moved to the office. It is improbable that if either Bernhard is a lion, or Julius is a swan, then Greg is a rhino.
hypothesis: It is impossible that greg is a rhino, and Lily is yellow.
valid_hypothesis: It is impossible that greg is a rhino, and Lily is yellow.
invalid_hypothesis: It is highly likely that greg is a rhino, and Lily is yellow.
hypothesis_assertion: Greg is a rhino, and Lily is yellow.