context: It is certain that Bernhard is green. There is little chance that Greg is a swan. There is a very good chance that Brian is yellow.
hypothesis: It is highly likely that either Greg is a swan, or Bernhard is green.
valid_hypothesis: It is highly likely that either Greg is a swan, or Bernhard is green.
invalid_hypothesis: It is unlikely that either Greg is a swan, or Bernhard is green.
hypothesis_assertion: Either Greg is a swan, or Bernhard is green.