A motorcycle racer speeds down a track.
A racer speeding down a track in first place.
Just because A motorcycle racer speeds down a track does not indicate that  A racer speeding down a track in first place.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_speed(e1) & n_track(x3) & n_racer(x1) & of(x1,x2) & n_motorcycle(x2))
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_speed(e1) & in(x3,x4) & n_place(x4) & a_first(s1) & Theme(s1,x4) & n_track(x3) & (x1 = x2) & n_racer(x1))