context: It is highly likely that Brian is a swan. It is probably not the case that Bernhard is white. There is a better than even chance that Sandra got the apple. It is almost certain that if either Brian is a swan, or Bernhard is white, then Lily is a frog. Chances are about even that if Bernhard is white, or Sandra got the apple, then John went to the kitchen. It is certain that if Sandra got the apple, and Brian is a swan, then Greg is gray.
hypothesis: It is improbable that john went to the kitchen, or Sandra got the apple.
valid_hypothesis: It is likely that john went to the kitchen, or Sandra got the apple.
invalid_hypothesis: It is improbable that john went to the kitchen, or Sandra got the apple.
hypothesis_assertion: John went to the kitchen, or Sandra got the apple.