Men wearing aprons, hats and sunglasses are grilling.
A group of men are cooking hamburgers.
Not all men are cooking hamburgers.
exists e1 e2 x1 x2 x3 x4 x5 x6.(Actor(e2,x1) & v_grill(e2) & rel(x1,x4) & subset_of(x6,x4) & n_sunglass(x6) & subset_of(x5,x4) & n_hat(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_apron(x3) & (x1 = x2) & n_man(x1))
exists p1 x1 x2.(exists s1 x3.((x1 = x3) & n_hamburger(x3) & a_cooking(s1) & Theme(s1,x3)) & of(x1,x2) & n_man(x2) & n_group(x1))