A person on a BMX bike is riding on an outdoor course.
A person on a BMX bike is winning the race.
Not all persons are winning the race.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_course(x4) & a_outdoor(s1) & Theme(s1,x4) & Actor(e1,x1) & v_ride(e1) & on(x1,x2) & n_bike(x2) & (x2 = x3) & ne_org_bmx(x3) & n_person(x1))
exists e1 x1 x2 x3 x4.(n_race(x4) & Theme(e1,x4) & Actor(e1,x1) & v_win(e1) & on(x1,x2) & n_bike(x2) & (x2 = x3) & ne_org_bmx(x3) & n_person(x1))