Which do you think is more dangerous?

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A car driven at a fast speed which runs over a person or by a drunk driver and killing a person on impact or in some other instance; alcohol when consumed by a person who then decides to drive their car or injures another person in some other horrible way; or a gun, when used in the wrong hands and that gun is used to murder in cold blood or with premediation? Maybe all these are dangerous or maybe none of them because they are all inanimate objects and do not know whom they are harming. So, what do you think?