context: It is unlikely that Brian is yellow. There is a better than even chance that Bernhard is a swan. It is highly likely that Mary went to the office. We doubt that if either Mary went to the office, or Bernhard is a swan, then Emily is a cat. There is a very good chance that if Brian is yellow, or Bernhard is a swan, then John put down the milk. It is likely that if either Mary went to the office, or Brian is yellow, then Lily is a rhino.
hypothesis: There is a better than even chance that john put down the milk, and Emily is a cat.
valid_hypothesis: There is almost no chance that john put down the milk, and Emily is a cat.
invalid_hypothesis: There is a better than even chance that john put down the milk, and Emily is a cat.
hypothesis_assertion: John put down the milk, and Emily is a cat.