context: We believe that Lily is a frog. It is improbable that Brian is green. It is highly unlikely that Mary picked up the apple. It is likely that if Mary picked up the apple, and Brian is green, then John went to the garden. There is a better than even chance that if Mary picked up the apple, and Brian is green, then Bernhard is yellow. It is improbable that if Brian is green, or Mary picked up the apple, then Julius is white.
hypothesis: There is a better than even chance that either Mary picked up the apple, or Bernhard is yellow.
valid_hypothesis: It is highly unlikely that either Mary picked up the apple, or Bernhard is yellow.
invalid_hypothesis: There is a better than even chance that either Mary picked up the apple, or Bernhard is yellow.
hypothesis_assertion: Either Mary picked up the apple, or Bernhard is yellow.