A child wearing a green tank top with the number four on it is participating in a race.
The child is running to the finish line.
This may not be a running race - perhaps bicycle?  The child may not be moving towards the finish line since kids can get confused and go in odd directions.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(in(e2,x6) & n_race(x6) & Actor(e2,x1) & v_participate(e2) & on(e1,x1) & n_thing(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & with(x3,x1) & card_eq_4(x1) & of(x1,x5) & n_number(x5) & n_top(x3) & of(x3,x4) & n_tank(x4) & a_green(s1) & Theme(s1,x3) & (x1 = x2) & n_child(x1))
exists e1 x1 x2 x3.(n_line(x2) & of(x2,x3) & n_finish(x3) & n_child(x1) & to(e1,x2) & Actor(e1,x1) & v_run(e1))