A skateboarder performing a kickflip over short stairs.
A man is skateboarding in a skate park
A man can skateboard somewhere other than a skate park.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x4) & n_stair(x4) & a_short(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & n_kickflip(x3) & (x1 = x2) & n_skateboarder(x1))
exists e1 x1 x2 x3.(in(e1,x2) & n_park(x2) & of(x2,x3) & n_skate(x3) & Actor(e1,x1) & v_skateboard(e1) & n_man(x1))