context: It is probably the case that Lily is a swan. It is highly likely that Mary went to the office. It is improbable that Winona is a wolf.
hypothesis: It is probable that either Mary went to the office, or Lily is a swan.
valid_hypothesis: It is probably not the case that either Mary went to the office, or Lily is a swan.
invalid_hypothesis: It is probable that either Mary went to the office, or Lily is a swan.
hypothesis_assertion: Either Mary went to the office, or Lily is a swan.