Hands Up. You're Being Robbed. Picture this?

Imagine a thief comes up to you, points a gun to your head and orders you to hand over all your possessions. Your only option is to comply otherwise you'll get shot in the head. Choose between these three possessions: car keys, phone and purse. Which one would you choose to hand over? And why?
Updates
1 y
For those who like to be really picky about the way this question has been phrased... let's ask something else at this point
Updates
1 y
Ignore my update. It won't let me write all I wanted to say.
Hands Up. You're Being Robbed. Picture this?
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