Accidental hand touch, is it really "accidental"?

I just want to know what other people think about this. I bet it's happened to everyone once in their life - like giving someone papers during class and having your fingers touch or whatever. (surprise, that's what happened to me!)

My question is really how can you tell the difference between an intentional hand touch and an accidental hand touch? Does it have to do with the way the person touching you reacts? Or is it something they say or... Is this question just silly?

Thanks for your input! :)
Accidental hand touch, is it really "accidental"?
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