premise: skateboarder sliding down a ramp. hypothesis: A skateboarder is taking pictures of himself with his phone.
neutral: Just because a skateboarder is sliding down a ramp does not mean he is taking pictures of himself.|neutral: Just because a skateboarder is sliding down a ramp does not mean he is taking pictures of himself.|neutral: skateboarder sliding down a ramp doesn't mean that he  is taking pictures of himself.