<prompt> Translate the following text to EnglishMhusika ni hewa ya ndani ya nyumba, ambayo imejaa chawa wa vumbi, moshi wa sigareti, mabaki ya vipepeo, na manyoya ya wanyama-vipenzi.  <response>: The culprit is indoor air, which is filled with dust mites, cigarette smoke, cockroach remains, and pet dander. 