There is a group of black adolescent boys in a large sand area and one of them is holding a silver soccer ball.
The boys are riding the bus.
Boys cannot be in large sand area and riding the bus at the same time
exists e1 p1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_ball(x3) & of(x3,x5) & n_soccer(x5) & of(x3,x4) & n_silver(x4) & of(x2,x3) & n_thing(x3) & n_thing(x2) & card_eq_1(x2) & exists s1 s2 s3 x6 x7 x8 x9.((x1 = x6) & in(x6,x8) & n_area(x8) & of(x8,x9) & n_sand(x9) & a_large(s3) & Theme(s3,x8) & of(x6,x7) & n_boy(x7) & a_adolescent(s2) & Theme(s2,x7) & a_black(s1) & Theme(s1,x7) & n_group(x6)))
exists e1 x1 x2.(n_bus(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))