a young boy running in a street race
A young boy is running ahead of the pack, in first place in his race
There are several other places the boy could be other than first place and he is not necessarily ahead of the pack of racers.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_race(x3) & of(x3,x4) & n_street(x4) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4.(n_race(x4) & of(x4,x2) & n_male(x2) & n_pack(x2) & in(e1,x4) & in(e1,x3) & n_place(x3) & a_first(s2) & Theme(s2,x3) & of(e1,x2) & r_ahead(e1) & Actor(e1,x1) & v_run(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))