Schoolgirl playing in a fountain.
A girl is riding a bike.
Playing is not riding.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_fountain(x3) & n_playing(x1) & (x1 = x2) & ne_nam_schoolgirl(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_girl(x1))