There are three dogs wearing numbered jerseys running a race.
Dogs competing in a race.
Dogs running in a race are competing with each other.
exists p1 x1 e2 e3 e1 x2 x3 x4 x5 x6.((x1 = x2) & Theme(e3,x4) & Actor(e3,x3) & v_wear(e3) & Theme(e2,x6) & Actor(e2,x5) & v_run(e2) & n_race(x6) & (x4 = x5) & n_jersey(x4) & Theme(e1,x4) & v_number(e1) & (x2 = x3) & n_dog(x2) & card_eq_3(x2))
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_race(x3) & Actor(e1,x2) & v_compete(e1) & (x1 = x2) & n_dog(x1))