- May I go now?

- Yes, you may go.

(silence)
(sudden change of heart)

- No, stay a little longer.

- May I come tomorrow?

- Yes, you may come.

- What shall I wear?

- Nothing.

(silence)
(sudden change of heart)

- No, only roller blades.

- At what time shall I come?

- Come at 4pm. When the clown will be trussed up.

- May I meet the clown first?

- No, you may not.

(silence)
(sudden change of heart)

- Yes, but you need special permission.

- Where can I get permission?

- You may obtain it from the roller-coaster office.

- Ok.