With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The English Civil War first began in 1642.
text_B: Farrukh Yassar was the last independent Shirvanshah of Shirvan -LRB- 1465 -- 1500 -RRB- .. Shirvan. Shirvan. Shirvanshah. Shirvanshah. In 1500 , the first Safavid ruler , Ismail I , decisively defeated and killed Farrukh Yassar during his conquest of the area .. Safavid. Safavid dynasty. Ismail I. Ismail I. during his conquest of the area. Safavid conquest of Shirvan. Descendants of Farrukh Yassar continued to rule Shirvan under Safavid suzerainty , until 1538 , when Ismail 's son and successor Tahmasp I -LRB- r. 1524-1576 -RRB- appointed its first Safavid governor , and made it a fully functioning Safavid province .. Shirvan. Shirvan. Safavid. Safavid dynasty. Tahmasp I. Tahmasp I. Safavid province. Shirvan Beylarbeylik
not_related.