context: We believe that Yann got the milk there. It is probable that Brian is white. It is unlikely that Lily is yellow. We doubt that if Lily is yellow, and Brian is white, then John left the football. It is probably not the case that if Brian is white, and Yann got the milk there, then Greg is a frog. There is almost no chance that if Yann got the milk there, or Lily is yellow, then Julius is a rhino.
hypothesis: It is improbable that brian is white, or Lily is yellow.
valid_hypothesis: We believe that brian is white, or Lily is yellow.
invalid_hypothesis: It is improbable that brian is white, or Lily is yellow.
hypothesis_assertion: Brian is white, or Lily is yellow.