<prompt> Umusho 1: Umjaho wokuqala weForeman of Signals wawungowe-1951 kanti umjaho wama-86 nowama-87 yiwona omjaho wamanje. Umusho wesibili: Isifundo sokuqala seForeman of Signals sasingo-1951 kanti izifundo zamanje ziyi-86th ne-87th eziqhutshwa kulesi sifundo. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Yebo Yebo 