"An unlawful act causing the death of another cannot, simply because it is an unlawful act, render a manslaughter verdict inevitable. For such a verdict inexorably to follow, the unlawful act must be such as all sober and reasonable people would inevitably recognise must subject the other person to, at least, the risk of some harm resulting therefrom, albeit not serious harm." [Edmund Davies. J.).

In light of this statement, consider the legal requirements for a successful conviction of involuntary manslaughter by an unlawful act.