premise: A young man wearing a green shirt and a hat attempts a trick on a skateboard while riding it in a skate park next to a beach. hypothesis: A teen is practicing his skateboard skills.
neutral: A young man need not necessarily be in teen age.|neutral: Just because a man is young he does not have to be a teen.|neutral: Only because a yong man attempts a trick on skateboard doesn't necessarily mean hs is practicing his skateboard skills.