context: It is impossible that Bernhard is a frog. There is little chance that Winona is a cat. Chances are about even that John went to the office.
hypothesis: There is a very good chance that either Winona is a cat, or Bernhard is a frog.
valid_hypothesis: There is little chance that either Winona is a cat, or Bernhard is a frog.
invalid_hypothesis: There is a very good chance that either Winona is a cat, or Bernhard is a frog.
hypothesis_assertion: Either Winona is a cat, or Bernhard is a frog.