context: It is unlikely that Bernhard is a frog. It is improbable that Brian is yellow. There is a better than even chance that Julius is white. We doubt that if Brian is yellow, or Julius is white, then Sandra got the apple. We believe that if Julius is white, and Bernhard is a frog, then Bill went to the office. It is probably the case that if Julius is white, or Bernhard is a frog, then Greg is yellow.
hypothesis: We believe that either Bernhard is a frog, or Sandra got the apple.
valid_hypothesis: It is probably not the case that either Bernhard is a frog, or Sandra got the apple.
invalid_hypothesis: We believe that either Bernhard is a frog, or Sandra got the apple.
hypothesis_assertion: Either Bernhard is a frog, or Sandra got the apple.