context: It is impossible that Jessica is a mouse. There is almost no chance that Lily is yellow. It is highly unlikely that Julius is a rhino. It is likely that if Lily is yellow, or Julius is a rhino, then Bill went to the kitchen. There is little chance that if Lily is yellow, or Julius is a rhino, then Brian is a swan. There is a very good chance that if Jessica is a mouse, or Julius is a rhino, then Jason is bored.
hypothesis: There is a better than even chance that brian is a swan, and Lily is yellow.
valid_hypothesis: It is impossible that brian is a swan, and Lily is yellow.
invalid_hypothesis: There is a better than even chance that brian is a swan, and Lily is yellow.
hypothesis_assertion: Brian is a swan, and Lily is yellow.