Three men are cooking food outdoors.
The three men are cooking burgers.
Just because there are three men cooking food outdoors, does not mean they are cooking burgers.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & n_outdoors(x2) & of(x2,x3) & n_food(x3) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(n_man(x1) & card_eq_3(x1) & exists s1 x2.((x1 = x2) & n_burger(x2) & a_cooking(s1) & Theme(s1,x2)))