A boy in yellow is riding a scooter on the street.
A girl is walking along a path.
boy is riding is not a girl walking.
exists e1 x1 x2 x3 x4.(n_street(x4) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_scooter(x3) & in(x1,x2) & n_yellow(x2) & n_boy(x1))
exists e1 x1 x2.(along(e1,x2) & n_path(x2) & Actor(e1,x1) & v_walk(e1) & n_girl(x1))