Skateboarder performing a trick high in the air on a ramp.
The skaters are performing.
skateboarder performing same as skaters performing
exists e1 x1 x2 x3 x4 x5.(n_air(x4) & ne_nam_skateboarder(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & on(x2,x5) & n_ramp(x5) & in(x2,x4) & n_high(x2) & of(x2,x3) & n_trick(x3))
exists e1 x1.(n_skater(x1) & Actor(e1,x1) & v_perform(e1))