A BMW rider takes a large jump off a wall.
The rider is on the ground.
A rider cannot be simultaneously taking a jump and also on the ground.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & off(x3,x4) & n_wall(x4) & n_jump(x3) & a_large(s1) & Theme(s1,x3) & n_rider(x1) & (x1 = x2) & ne_org_bmw(x2))
exists p1 x1 x2.(n_ground(x2) & n_rider(x1) & on(x1,x2))