context: It is unlikely that Lily is yellow. Chances are slight that Daniel put down the milk. It is almost certain that Brian is green. It is likely that if Brian is green, or Daniel put down the milk, then Jeff went to the garden. It is improbable that if either Lily is yellow, or Brian is green, then Greg is a swan. It is likely that if Lily is yellow, or Brian is green, then Bernhard is green.
hypothesis: It is probable that greg is a swan, or Lily is yellow.
valid_hypothesis: It is probably not the case that greg is a swan, or Lily is yellow.
invalid_hypothesis: It is probable that greg is a swan, or Lily is yellow.
hypothesis_assertion: Greg is a swan, or Lily is yellow.