These two young boys are preparing dinner.
These two sad boys are preparing dinner.
Not all boys are sad.
exists e1 s1 x1 x2.(n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_dinner(x2))
exists e1 s1 x1 x2.(n_boy(x1) & a_sad(s1) & Theme(s1,x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_dinner(x2))