context: It is likely that Mary put down the milk. It is almost certain that Brian is a frog. It is almost certain that Bernhard is a swan.
hypothesis: There is a very good chance that either Mary put down the milk, or Bernhard is a swan.
valid_hypothesis: It is probably not the case that either Mary put down the milk, or Bernhard is a swan.
invalid_hypothesis: There is a very good chance that either Mary put down the milk, or Bernhard is a swan.
hypothesis_assertion: Either Mary put down the milk, or Bernhard is a swan.