A group of teenagers stand and sit on a house porch.
kids plot what to do with the rest of their while on the porch
One cannot assume that the teenagers are kids or that they are plotting what to do with rest of their while.
exists e1 e2 x1 x2 x3 x4 x5 x6.(on(e2,x5) & n_porch(x5) & of(x5,x6) & n_house(x6) & Actor(e2,x3) & v_sit(e2) & of(x3,x4) & n_teenager(x4) & n_group(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_teenager(x2) & n_group(x1))
exists x1 x4 x5 x6.(n_porch(x6) & n_while(x5) & of(x5,x4) & n_thing(x4) & n_rest(x4) & exists e1 p1 x2.(n_thing(x2) & Theme(e1,x2) & Actor(e1,x1) & v_plot(e1) & exists e2 x3.(with(e2,x4) & of(x4,x5) & on(x5,x6) & Theme(e2,x2) & Actor(e2,x3) & v_do(e2) & n_thing(x3))) & n_kid(x1))