context: The little girl in the sand is handing a ball to one of the two black dogs.
hypothesis: There is a very good chance that a girl is handing a ball to her pet dog
valid_hypothesis: There is a very good chance that a girl is handing a ball to her pet dog
invalid_hypothesis: It is unlikely that a girl is handing a ball to her pet dog
hypothesis_assertion: a girl is handing a ball to her pet dog