<prompt> Translate the following text to SwahiliAnd when he was walking for the last time through the main plaza of the Piast University, pondering deep thoughts about the injustice of treating people according to the Valesa scale of street-smarts, he stepped into a puddle.  <response>: Alipokuwa akitembea kwa mara ya mwisho katika uwanja mkuu wa Chuo Kikuu cha Piast, akitafakari sana juu ya ukosefu wa haki wa kuwatendea watu kulingana na kiwango cha Valesa cha watu wenye akili za mitaani, aliingia ndani ya kidimbwi. 