kids play ultimate Frisbee.
Some kids are playing outside.
Frisbee is a game for playing outside.
exists e1 s1 x1 x2.(ne_per_frisbee(x2) & a_ultimate(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outside(x2) & n_kid(x1))