<prompt> Translate the following text to EnglishWaumini wa dini ya Mormon wanaamini kwamba mababu wanaweza kuokolewa kwa ubatizo baada ya kifo, na wameanzisha maktaba 3,200 za ukoo ulimwenguni pote ili kuchochea watu waongofu.  <response>: The most avid practitioners are Mormons, who believe that ancestors can be saved through posthumous baptism and have established 3,200 genealogy libraries around the world to encourage conversions. 