context: It is improbable that Brian is white. There is little chance that Lily is yellow. There is almost no chance that Mary went to the office.
hypothesis: It is likely that brian is white, or Lily is yellow.
valid_hypothesis: It is unlikely that brian is white, or Lily is yellow.
invalid_hypothesis: It is likely that brian is white, or Lily is yellow.
hypothesis_assertion: Brian is white, or Lily is yellow.