a skateboarder doing a trick on a ramp
A motorcyclist carves through a mountain road on his motorcycle.
A skateboarder neither rides a motorcycle nor moves on mountains.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & on(x3,x4) & n_ramp(x4) & n_trick(x3) & (x1 = x2) & n_skateboarder(x1))
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_motorcycle(x4) & of(x4,x1) & n_male(x1) & through(e1,x2) & n_road(x2) & of(x2,x3) & n_mountain(x3) & Actor(e1,x1) & v_carve(e1) & n_motorcyclist(x1))