context: A boy rides on a camel in a crowded area while talking on his cellphone.
hypothesis: It is likely that a boy is talking to his mom as he rides the camel.
valid_hypothesis: It is improbable that a boy is talking to his mom as he rides the camel.
invalid_hypothesis: It is likely that a boy is talking to his mom as he rides the camel.
hypothesis_assertion: A boy is talking to his mom as he rides the camel.