A boy with face paint is running on a track.
A girl sleeps motionlessly, alone.
A boy is not a girl.  One can't be running and sleeping at the same time.
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_track(x4) & Actor(e1,x1) & v_run(e1) & with(x1,x2) & n_paint(x2) & of(x2,x3) & n_face(x3) & n_boy(x1))
exists e1 s1 s2 x1.(a_alone(s2) & Manner(e1,s2) & a_motionlessly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sleep(e1) & n_girl(x1))