context: It is probably not the case that Bernhard is gray. It is certain that Mary dropped the apple. It is impossible that John moved to the garden. We believe that if either John moved to the garden, or Mary dropped the apple, then Julius is a swan. It is probably the case that if John moved to the garden, and Bernhard is gray, then Daniel took the football. There is little chance that if either Bernhard is gray, or John moved to the garden, then Sandra grabbed the milk.
hypothesis: It is probably not the case that either Daniel took the football, or Bernhard is gray.
valid_hypothesis: It is probably not the case that either Daniel took the football, or Bernhard is gray.
invalid_hypothesis: It is likely that either Daniel took the football, or Bernhard is gray.
hypothesis_assertion: Either Daniel took the football, or Bernhard is gray.