<prompt> Translate the following text to EnglishTreni za haraka za wasafiri RER mstari A kutoka mji mkuu na hata treni za haraka za umbali mrefu TGV hutumikia kituo cha Marne-la-Vallee Chessy karibu na mlango.  <response>: Speedy commuter trains RER line A from the capital and even faster long-distance trains TGV serve Marne-la-ValleeChessy station near the entrance. 