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Hello, I'm Neil.
And I'm Helen.
How are you, Neil?
Not good.
What's wrong?
I posted my house keys.
You posted your house keys?
Let me guess, you dropped them in the letterbox by mistake?
Yes, I got mixed up.
Instead of putting a letter in, I put my keys in.
Oh, dear.
But I have my address attached to my keys, so maybe they'll end up getting posted back to me.
Yes, you might get them posted back to your house.
Or you might get burgled now that someone has your address as well as your house keys.
Oh, no.
Thieves might get into my house.
I'd better go and wait outside to see what happens.
Ok, good luck.