LexiconTravelEnglish [ +[Question Answer] SimpleStuff ICM ] ;user questions Question [ visa price (connecting flights) ] Answer [FullAnswer NegAnswer EllipticalAnswer ] ;full answers FullAnswer [ (to City) (from City) (by MeansOfTravel) (in Month) (the Day) Class ] ;general negation 010419 NegAnswer (not Answer) ;elliptical answers, e.g. "london" EllipticalAnswer [ City Country MeansOfTravel Month Day Class yes no ] ;simple stuff SimpleStuff [ hello bye quit ] ; ICM ICM [ pardon okay (dont know) ] City [ malmoe paris london gothenburg washington seattle hongkong ] Country [ sweden britain usa china france ] MeansOfTravel [ flight flights plane fly airplane boat train rail railway ] Month [ january february march april may june july august september october november december ] Day [ ;finns i semsort.pl ] Class [ cheap (second class) second first (first class) expensive (business_class) ]