A man and a woman are running a race.
People running a race.
A man and a woman are people.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_run(e1) & n_race(x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & n_race(x3) & (x1 = x2) & n_people(x1))