<prompt> Translate the following text to SwahiliHe looked up at my window as he passed, and I recognized him, though he had changed much in the fifteen years that had elapsed since we last met.  <response>: Alitazama nje ya dirisha la nyumba yangu alipokuwa akipita, nami nikamtambua, ingawa alikuwa amebadilika sana katika miaka kumi na mitano iliyopita tangu tulipokutana mara ya mwisho. 