context: 2 kids who look related are hanging out with 1 of them looking very emotional and hugging the other.
hypothesis: We believe that a couple of child relatives were hugging because they were happy to see each other.
valid_hypothesis: We believe that a couple of child relatives were hugging because they were happy to see each other.
invalid_hypothesis: We doubt that a couple of child relatives were hugging because they were happy to see each other.
hypothesis_assertion: A couple of child relatives were hugging because they were happy to see each other.