A younger man where black clothes is doing a trick on his skateboard off of steps.
A man is practicing skateboarding tricks for an upcoming competition.
A person doing a skateboard trick isn't necessarily engaged in practicing. A person can do a skateboard trick even if there is no upcoming competition.
exists p1 s1 x1 x4.(a_topic(x1) & exists e1 s2 x2 x3 x5.(of(e1,x5) & n_step(x5) & r_off(e1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & on(x3,x4) & n_trick(x3) & n_clothes(x2) & a_black(s2) & Theme(s2,x2)) & n_skateboard(x4) & of(x4,x1) & n_male(x1) & where(x1,p1) & n_man(x1) & r_more(s1) & a_younger(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists e2 s1 x2 x3.(for(e2,x3) & n_competition(x3) & a_upcoming(s1) & Theme(s1,x3) & Theme(e2,x2) & Actor(e2,x1) & v_skateboard(e2) & n_trick(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_practice(e1) & n_man(x1))