With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In Grey's Anatomy, the characters evolve into seasoned doctors.
text_B: Jama'at al-Tawhid wal-Jihad -LRB- Organization of Monotheism and Jihad -RRB- , which may be abbreviated as JTJ or Jama'at , was a militant Jihadist group that was led by the Jordanian national Abu Musab al-Zarqawi , who formed the group in Jordan in 1999 , until his death in June 2006 .. Abu Musab al-Zarqawi. Abu Musab al-Zarqawi. Jordan. Jordan. Tawhid. Tawhid. Jihad. Jihad. Jihadist. Jihadism. Shortly after al-Zarqawi 's death , al-Qaeda in Iraq named a new leader , Abu-Hamzah al-Muhajir , thought to be a pseudonym , which the US military named as Abu Ayyub al-Masri , an Egyptian militant based in Baghdad .. Iraq. Iraq. Abu-Hamzah al-Muhajir. Abu Ayyub al-Masri. Abu Ayyub al-Masri. Abu Ayyub al-Masri. al-Qaeda. al-Qaeda. He and ISI leader Abu Omar al-Baghdadi were killed during a military operation on his safehouse on 18 April 2010 .. Abu Omar al-Baghdadi. Abu Omar al-Baghdadi. On May 14 , 2010 , al-Masri was replaced as leader by al-Nasser Lideen Illah Abu Suleiman , who was in turn killed some time in 2011 .. al-Nasser Lideen Illah Abu Suleiman. Abu Suleiman al-Naser. Following Suleiman 's death , the position of `` War Minister '' was replaced by a military council composed of former regime military officers under the leadership of Haji Bakr .. Haji Bakr. Haji Bakr. During the Iraqi insurgency -LRB- 2003 -- 11 -RRB- , the group became a decentralized network with foreign fighters and a considerable Iraqi membership .. Iraqi insurgency. Iraqi insurgency ( 2003–06 ). On 17 October 2004 , al-Zarqawi pledged allegiance to Osama bin Laden 's al-Qaeda network , and the group became known as Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn -LRB- commonly known as al-Qaeda in Iraq or Tanzim -RRB- .. Iraq. Iraq. Jihad. Jihad. allegiance. Bay'ah. Osama bin Laden. Osama bin Laden. al-Qaeda. al-Qaeda. Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn. Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn. After several mergers with other groups , it changed its name several times until it called itself Islamic State of Iraq -LRB- ISI -RRB- in 2006 .. Iraq. Iraq. Islamic State of Iraq. Islamic State of Iraq
not_related.