context: It is probable that Bernhard is white. There is almost no chance that Brian is green. It is probable that Lily is gray. We doubt that if Bernhard is white, and Brian is green, then Sandra left the apple. It is probably not the case that if either Bernhard is white, or Brian is green, then John dropped the apple. It is likely that if Lily is gray, or Bernhard is white, then Mary went to the garden.
hypothesis: We believe that either Mary went to the garden, or Bernhard is white.
valid_hypothesis: It is probably not the case that either Mary went to the garden, or Bernhard is white.
invalid_hypothesis: We believe that either Mary went to the garden, or Bernhard is white.
hypothesis_assertion: Either Mary went to the garden, or Bernhard is white.