A girl in black runs a race.
A girl is walking and wearing white.
If she runs, then the girl is not walking.
exists x1.(all x2.(n_race(x2) -> exists s1 x3.(a_topic(x1) & in(x1,x3) & for(x3,x2) & n_run(x3) & a_black(s1) & Theme(s1,x3))) & n_girl(x1))
exists e2 e1 p1 x1 x2.(exists s1.(Theme(s1,x2) & a_white(s1)) & Topic(e2,p1) & Actor(e2,x2) & v_wear(e2) & n_girl(x2) & Actor(e1,x1) & v_walk(e1) & n_girl(x1))