question: private SpeechletResponse handleTellMeAJokeIntent ( final Session session ) { String speechOutput = "" ; String repromptText = "You can ask, who's there" ; int jokeID = ( int ) Math . floor ( Math . random ( ) * JOKE_LIST . size ( ) ) ; session . setAttribute ( SESSION_STAGE , KNOCK_KNOCK_STAGE ) ; session . setAttribute ( SESSION_JOKE_ID , jokeID ) ; speechOutput = "Knock knock!" ; SimpleCard card = new SimpleCard ( ) ; card . setTitle ( "Wise Guy" ) ; card . setContent ( speechOutput ) ; SpeechletResponse response = newAskResponse ( speechOutput , false , repromptText , false ) ; response . setCard ( card ) ; return response ; }
target:  Selects a joke randomly and starts it off by saying "Knock knock".