Two friends are walking and holding hands.
Two dogs are walking and holding hands.
Two friends does not refer to two dogs
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_hand(x4) & n_friend(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_hand(x2) & n_friend(x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_hand(x4) & n_dog(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_hand(x2) & n_dog(x1) & card_eq_2(x1))