A girl running in a race.
A girl is the only person running the Boston Marathon.
The girl would never be the only person running in the Boston Marathon
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_race(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_girl(x1))
exists p1 x1 x2 x4 x5.(ne_org_marathon(x4) & (x4 = x5) & ne_org_boston(x5) & all x6.(n_person(x6) -> (x2 = x6)) & n_person(x2) & exists e1 x3.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_run(e1) & (x2 = x3)) & n_girl(x1))