context: A dog catching a Frisbee.
hypothesis: We believe that a puppy has leapt into the air to grab a Frisbee.
valid_hypothesis: It is improbable that a puppy has leapt into the air to grab a Frisbee.
invalid_hypothesis: We believe that a puppy has leapt into the air to grab a Frisbee.
hypothesis_assertion: A puppy has leapt into the air to grab a Frisbee.