A person in a leather jacket with a skull on the back is holding the hand of another person wearing a skull backpack.
A person is holding hands with his wife.
Sentence one doesn't imply a person is holding hands with his wife.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_hand(x6) & n_back(x5) & Theme(e2,x6) & Actor(e2,x1) & v_hold(e2) & of(x6,x7) & Theme(e1,x9) & Actor(e1,x8) & v_wear(e1) & n_backpack(x9) & of(x9,x10) & n_skull(x10) & (x7 = x8) & n_person(x7) & -(x7 = x1) & n_person(x1) & n_person(x1) & with(x1,x4) & on(x4,x5) & n_skull(x4) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_leather(x3))
exists e1 x1 x2 x3.(with(e1,x3) & n_wife(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_hand(x2) & n_person(x1))