premise: Young man performing a skateboard trick on a sidewalk in a city.
hypothesis: A young man is perfoming a good skill on a skateboard on the sidewalk in a metropolitan area.
explanation_1: "A young man is performing a good skill on a skateboard" is a rephrasing of "Young man performing a skateboard trick"
explanation_2: A trick is a skill to be performed.
explanation_3: Skateboard trick is a rephrasing of good skill on a skateboard, and city is a metropolitan area.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & n_city(x6) & on(e1,x5) & n_sidewalk(x5) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & n_trick(x3) & of(x3,x4) & n_skateboard(x4) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(n_sidewalk(x4) & Theme(e1,x2) & Actor(e1,x1) & v_perfome(e1) & on(x2,x3) & on(x3,x4) & in(x4,x5) & n_area(x5) & a_metropolitan(s3) & Theme(s3,x5) & n_skateboard(x3) & n_skill(x2) & a_good(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))