A lady and a boy are holding hands.
The people are touching.
Touching is a requirement for holding hands.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_hold(e1) & n_hand(x4) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_lady(x2))
exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_touch(e1))