context: There is a very good chance that Sandra left the milk. It is almost certain that Bernhard is yellow. It is probably the case that John went to the kitchen. It is highly unlikely that if John went to the kitchen, or Sandra left the milk, then Mary moved to the office. It is likely that if John went to the kitchen, or Bernhard is yellow, then Brian is gray. There is almost no chance that if John went to the kitchen, or Bernhard is yellow, then Daniel grabbed the milk.
hypothesis: It is likely that brian is gray, or Mary moved to the office.
valid_hypothesis: It is likely that brian is gray, or Mary moved to the office.
invalid_hypothesis: Chances are slight that brian is gray, or Mary moved to the office.
hypothesis_assertion: Brian is gray, or Mary moved to the office.