context: It is probable that Brian is a frog. Chances are slight that Lily is gray. It is improbable that Mary went to the office.
hypothesis: We doubt that either Mary went to the office, or Lily is gray.
valid_hypothesis: We doubt that either Mary went to the office, or Lily is gray.
invalid_hypothesis: It is likely that either Mary went to the office, or Lily is gray.
hypothesis_assertion: Either Mary went to the office, or Lily is gray.