A boy runs on colorful lines.
A boy is playing on the park
A boy might run on colorful lines for several reasons, and colorful lines might exist in different locations than the park. Playing on the park is only one reason the boy might be running on colorful lines.
exists e1 s1 x1 x2.(on(e1,x2) & n_line(x2) & a_colorful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))
exists e1 x1 x2.(n_park(x2) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))