context: It is improbable that Bernhard is gray. We believe that Bill went to the kitchen. There is a better than even chance that Brian is a swan.
hypothesis: It is highly unlikely that bill went to the kitchen, or Bernhard is gray.
valid_hypothesis: We believe that bill went to the kitchen, or Bernhard is gray.
invalid_hypothesis: It is highly unlikely that bill went to the kitchen, or Bernhard is gray.
hypothesis_assertion: Bill went to the kitchen, or Bernhard is gray.