– 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.