"Yes, Prime Minister", 1986.
Sir Humphrey: You know what happens: nice young lady comes up to you. Obviously you want to create a good impression, you don't want to look a fool, do you? So she starts asking you some questions: Mr. Woolley, are you worried about the number of young people without jobs?
Bernard Woolley: Yes
Sir Humphrey: Are you worried about the rise in crime among teenagers?
Bernard Woolley: Yes
Sir Humphrey: Do you think there is a lack of discipline in our Comprehensive schools?
Bernard Woolley: Yes
Sir Humphrey: Do you think young people welcome some authority and leadership in their lives?
Bernard Woolley: Yes
Sir Humphrey: Do you think they respond to a challenge?
Bernard Woolley: Yes
Sir Humphrey: Would you be in favour of reintroducing National Service?
Bernard Woolley: Oh...well, I suppose I might be.
Sir Humphrey: Yes or no?
Bernard Woolley: Yes
Sir Humphrey: Of course you would, Bernard. After all you told me can't say no to that. So they don't mention the first five questions and they publish the last one.
Bernard Woolley: Is that really what they do?
Sir Humphrey: Well, not the reputable ones no, but there aren't many of those. So alternatively the young lady can get the opposite result.
Bernard Woolley: How?
Sir Humphrey: Mr. Woolley, are you worried about the danger of war?
Bernard Woolley: Yes
Sir Humphrey: Are you worried about the growth of armaments?
Bernard Woolley: Yes
Sir Humphrey: Do you think there is a danger in giving young people guns and teaching them how to kill?
Bernard Woolley: Yes
Sir Humphrey: Do you think it is wrong to force people to take up arms against their will?
Bernard Woolley: Yes
Sir Humphrey: Would you oppose the reintroduction of National Service?
Bernard Woolley: Yes
Sir Humphrey: There you are, you see Bernard. The perfect balanced sample.