A motorcycle rider leans in during a turn.
A motorcycle winning a race.
Not all motorcycle riders are in a race.
exists x1 x2 x3 x4 x5.(a_topic(x1) & during(x4,x5) & n_turn(x5) & in(x1,x4) & n_thing(x4) & n_lean(x1) & of(x1,x3) & n_rider(x3) & of(x1,x2) & n_motorcycle(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_win(e1) & n_race(x3) & (x1 = x2) & n_motorcycle(x1))