A child is happily playing on the slide.
The child is sleep outside.
The child cant be both playing and sleeping.
exists e1 s1 x1 x2.(n_slide(x2) & a_happily(s1) & Manner(e1,s1) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists p1 s1 x1.(n_child(x1) & a_outside(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_sleep(x2)))