.Asrg_travel_english LexiconTravelEnglish LexiconTravelEnglish [ +(?([SimpleStuff ICM ] -pau-) ?Answer) +(?([SimpleStuff ICM ] -pau- ) ?Question) yes yep yeah no bye quit ] ;user questions Question [ (do i need ?a) visa (price ?(information please)) (?(are there ?any) connecting flights) ] Answer [NegAnswer PosAnswer] PosAnswer [FullAnswer EllipticalAnswer] ;full answers FullAnswer [ (to City) (from City) (by MeansOfTravel) (in Month) (the Day) Class (not return) (one way) (return) ] ;general negation 010419 NegAnswer (not PosAnswer) ;elliptical answers e.g. "london" EllipticalAnswer [ City Country MeansOfTravel Month Day Class ] ;simple stuff SimpleStuff [ hello ] ; 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 [ first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth eeventeenth eighteenth nineteenth twentieth twentyfirst twentysecond twentythird twentyfourth twentyfifth twentysixth twentyseventh twentyeigth twentyninth thirtieth thirtyfirst ] Class [ cheap (as cheap as possible) (second class) second first (first class) expensive (business_class) ]