A boy carrying an open box crosses a bridge over a road.
A boy is carrying some poles.
one boy is carrying a box while the other boy is carrying poles
exists e1 e2 s1 x1 x2 x3 x4 x5.(over(e2,x5) & n_road(x5) & Theme(e2,x4) & Actor(e2,x1) & v_cross(e2) & n_bridge(x4) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_box(x3) & a_open(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_pole(x2) & n_boy(x1))