Two men walking and smiling.
The two men are old friends enjoying a walk.
The men might not be old friends enjoying their walk, and they might very possibly have just met or been recent acquaintances.
exists e1 e2 x1 x2.(Actor(e2,x2) & v_smile(e2) & n_man(x2) & card_eq_2(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(n_man(x1) & card_eq_2(x1) & exists e1 s1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & n_walk(x4) & (x2 = x3) & n_friend(x2) & a_old(s1) & Theme(s1,x2)))