The baby is holding someone's arm.
The arm belongs to its mother.
The baby that is holding someone's arm is not imply to the mother arm.
exists e1 x1 x2 x3.(n_baby(x1) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_arm(x3) & of(x3,x2) & n_person(x2))
exists e1 x1 x2.(n_mother(x2) & of(x2,x1) & n_thing(x1) & n_arm(x1) & to(e1,x2) & Actor(e1,x1) & v_belong(e1))