At Corleone's
You've entered the house of Don Corleone, the rich and influential member of the Italian community of this city. You go inside his house and ask if anybody is home. Immediately after you hear the door click behind you, you notice the barrel of the machine gun that's pointing your way.
Mr. Corleone does not like uninvited guests. Who are you?
What do you answer?

I'm a secret agent and I'm looking for a bomb.
or
Well, look at the time, is it that late again. I've to go now.