scratches head

You know how you hear those half conversations so often when someone is walking along the road talking on a mobile phone?
Well here's half a conversation I heard at the station today.
You can make up your own ideas about the other half.

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Well take it out of you mouth and hold it in your hand.
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You can take it with you in the car.
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OK then keep it in your mouth but don't eat it.
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Yes, it would make me laugh too.
...

I have no ideas, but it it one of the weirder half conversations that I've ever heard.