context: It is probably not the case that Bernhard is white. There is almost no chance that Lily is a swan. There is almost no chance that John got the milk. It is probable that if either Bernhard is white, or John got the milk, then Fred is in the park. We doubt that if Bernhard is white, and John got the milk, then Julius is a rhino. It is probable that if Lily is a swan, or Bernhard is white, then Mary went to the office.
hypothesis: It is probably the case that john got the milk, or Fred is in the park.
valid_hypothesis: We doubt that john got the milk, or Fred is in the park.
invalid_hypothesis: It is probably the case that john got the milk, or Fred is in the park.
hypothesis_assertion: John got the milk, or Fred is in the park.