The boy in swim trunks is laying face down on a watery pavement.
An unconscious boy on a sidewalk.
There is no evidence the boy is unconscious. Just because he is laying face down on the pavement does not mean the boy is unconscious.
exists e1 x1 x2 x3 x4 x5 x6.(n_boy(x1) & on(e1,x5) & n_pavement(x5) & of(x5,x6) & n_watery(x6) & r_down(e1) & Theme(e1,x4) & Actor(e1,x1) & v_lay(e1) & n_face(x4) & in(x1,x2) & n_trunk(x2) & of(x2,x3) & n_swim(x3))
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_sidewalk(x2) & n_boy(x1) & a_unconscious(s1) & Theme(s1,x1))