A man is firing a handgun.
A man is shooting at a gun range.
Firing a handgun doesn't imply being at a gun range.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fire(e1) & n_handgun(x2) & n_man(x1))
exists e1 x1 x2 x3.(at(e1,x2) & n_range(x2) & of(x2,x3) & n_gun(x3) & Actor(e1,x1) & v_shoot(e1) & n_man(x1))