A photographer in a crowd smiling and using a long lens to take a photo
The photographer is taking pictures of a racer.
A photographer taking pictures could be at any event, such as a concert or a football game, not necessarily something that involves a racer.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & Topic(e2,p1) & exists e3 x7.(Theme(e3,x7) & Actor(e3,x4) & v_take(e3) & n_photo(x7)) & Theme(e2,x6) & Actor(e2,x5) & v_use(e2) & n_lens(x6) & a_long(s1) & Theme(s1,x6) & (x2 = x5) & (x2 = x4) & Actor(e1,x3) & v_smile(e1) & (x2 = x3) & n_crowd(x2) & n_photographer(x1))
exists e1 x1 x2 x3.(n_photographer(x1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_racer(x3) & n_picture(x2))