<prompt> Translate the following text to SwahiliThe sewage system and houses outside the citadel were better constructed than their modern equivalents, and among their animals was a major Indian contribution to the worlds cuisine the chicken.  <response>: Mfumo wa maji machafu na nyumba zilizokuwa nje ya ngome zilijengwa vizuri kuliko zile za kisasa, na miongoni mwa wanyama wao kulikuwa na mchango mkubwa wa Wahindi katika vyakula vya ulimwengu - kuku. 