A group of children are playing on swings.
Children ar egetting yelled at
Children are yelled at can't be playing at that time
exists e1 x1 x2 x3.(on(e1,x3) & n_swing(x3) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists e1 e2 x1 x2 x3 x4.(at(e2,x4) & n_thing(x4) & Actor(e2,x1) & v_yell(e2) & Actor(e1,x3) & v_egett(e1) & (x1 = x3) & n_ar(x1) & (x1 = x2) & ne_nam_children(x2))