There was an Old Lady of Prague, <br />Whose language was horribly vague; <br />When they said, 'Are these caps?' <br />She answered, 'Perhaps!' <br />That oracular Lady of Prague.<br /><br />Edward Lear<br /><br />http://www.poemhunter.com/poem/limerick-there-was-an-old-lady-of-prague/