A young boy eats a sandwich on his family's porch.
A boy is at the dinner table.
A dinner table is usually not found on a porch.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_porch(x4) & of(x4,x3) & n_family(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_sandwich(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2 x3.(n_table(x2) & of(x2,x3) & n_dinner(x3) & at(x1,x2) & n_boy(x1))