The man in the jacket is holding the lady's hand.
The two people each have at least one hand.
There is a man and lady in sentence 1, the man is holding the lady's hand, making two people. And since they are holding hands they must both have at least one hand.
exists e1 x1 x2 x3 x4.(n_hand(x4) & of(x4,x3) & n_lady(x3) & n_jacket(x2) & n_man(x1) & Theme(e1,x4) & Actor(e1,x1) & v_hold(e1) & in(x1,x2))
exists x2.(n_people(x2) & card_eq_2(x2) & all x1.((x1 = x2) -> exists e1 x3 x4.(Time(e1,x4) & card_eq_1(x4) & Time(e1,x3) & n_hand(x3) & Actor(e1,x1) & v_have(e1))))