In 2013 , researchers confirmed earlier speculation that the cause of the Plague of Justinian was `` Yersinia pestis `` , the same bacterium responsible for the Black Death ( 1347–1351 ) .
ADP NUM , NOUN VERB ADJ NOUN SCONJ DET NOUN ADP DET PROPN ADP PROPN VERB `` PROPN NOUN `` , DET ADJ NOUN ADJ ADP DET PROPN PROPN ( NOUN ) .