A man is firing a handgun.
A man has a gun in his hand.
The gun must be in his hand in he is firing it.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fire(e1) & n_handgun(x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & in(x2,x3) & n_hand(x3) & of(x3,x1) & n_male(x1) & n_gun(x2) & n_man(x1))