A group of kids standing outside.
A group of kids are playing xbox.
You cannot be standing outside and playing an xbox at the same time.
exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_kid(x2) & n_group(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_xbox(x3) & of(x1,x2) & n_kid(x2) & n_group(x1))