context: There is little chance that Lily is white. It is almost certain that Mary went to the office. It is highly unlikely that John left the football.
hypothesis: It is highly likely that either Mary went to the office, or Lily is white.
valid_hypothesis: It is highly likely that either Mary went to the office, or Lily is white.
invalid_hypothesis: We doubt that either Mary went to the office, or Lily is white.
hypothesis_assertion: Either Mary went to the office, or Lily is white.