context: It is unlikely that Bernhard is gray. Chances are about even that Mary went to the kitchen. There is a better than even chance that Sandra got the football.
hypothesis: Chances are about even that either Mary went to the kitchen, or Bernhard is gray.
valid_hypothesis: Chances are about even that either Mary went to the kitchen, or Bernhard is gray.
invalid_hypothesis: There is almost no chance that either Mary went to the kitchen, or Bernhard is gray.
hypothesis_assertion: Either Mary went to the kitchen, or Bernhard is gray.