A boy in white shorts stands on a rusty tower.
The boy is a lifeguard.
The boy is standing on a rusty tower
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_tower(x3) & a_rusty(s2) & Theme(s2,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shorts(x2) & a_white(s1) & Theme(s1,x2) & n_boy(x1))
exists p1 x1.(n_boy(x1) & exists x2.((x1 = x2) & n_lifeguard(x2)))