context: It is likely that John put down the milk. It is probably not the case that Brian is a rhino. There is a better than even chance that Yann is tired. There is little chance that if Brian is a rhino, or John put down the milk, then Mary went to the office. It is almost certain that if Yann is tired, or John put down the milk, then Gertrude is a wolf. There is little chance that if Yann is tired, and John put down the milk, then Daniel took the football.
hypothesis: It is highly likely that brian is a rhino, or Mary went to the office.
valid_hypothesis: It is probably not the case that brian is a rhino, or Mary went to the office.
invalid_hypothesis: It is highly likely that brian is a rhino, or Mary went to the office.
hypothesis_assertion: Brian is a rhino, or Mary went to the office.