context: We believe that Brian is yellow. It is almost certain that Emily is a cat. It is probable that Julius is a frog.
hypothesis: It is improbable that julius is a frog, and Emily is a cat.
valid_hypothesis: It is probable that julius is a frog, and Emily is a cat.
invalid_hypothesis: It is improbable that julius is a frog, and Emily is a cat.
hypothesis_assertion: Julius is a frog, and Emily is a cat.