context: It is certain that Bernhard is gray. It is probable that Greg is a rhino. There is a very good chance that Fred moved to the office. It is probably the case that if either Bernhard is gray, or Fred moved to the office, then Lily is a frog. We doubt that if Fred moved to the office, and Bernhard is gray, then Daniel took the football. It is likely that if Fred moved to the office, or Bernhard is gray, then John grabbed the milk.
hypothesis: There is little chance that daniel took the football, or Fred moved to the office.
valid_hypothesis: There is a very good chance that daniel took the football, or Fred moved to the office.
invalid_hypothesis: There is little chance that daniel took the football, or Fred moved to the office.
hypothesis_assertion: Daniel took the football, or Fred moved to the office.