A skateboarder doing a jump near some apartment buildings.
Someone is doing tricks.
A skateboarder doing a jump is not necessarily a tricks.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & near(x3,x4) & n_building(x4) & of(x4,x5) & n_apartment(x5) & n_jump(x3) & (x1 = x2) & n_skateboarder(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_person(x1))