A man aims a gun at a target.
A man has a firearm.
A man is aiming a gun which is a firearm.
exists e1 x1 x2 x3.(at(e1,x3) & n_target(x3) & Theme(e1,x2) & Actor(e1,x1) & v_aim(e1) & n_gun(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_firearm(x2) & n_man(x1))