With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Valerian and the City of a Thousand Planets features an actor.
text_B: Kalinik II the Greek -LRB- Калиник II Грк , Callinicus II -RRB- was the last Serbian Patriarch -LRB- 1765 -- 1766 -RRB- before the Ottoman Empire abolished the Serbian Patriarchate of Pec for the fifth and last time .. Serbian Patriarch. Serbian Patriarch. Ottoman Empire. Ottoman Empire. Serbian Patriarchate of Pec. Serbian Patriarchate of Pec. Kalinik resigned his title and sent a petition to the Ecumenical Patriarch in Constantinople asking for the abolition of the Pec patriarchate , citing accumulated debts as the main reason for this motion , signed by him and 5 other bishops .. Ecumenical Patriarch. Ecumenical Patriarch. On 11 September 1766 , The Patriarch of Constantinople convinced the Sultan to abolish the Patriarchate of Pec and place its dioceses under the jurisdiction of Constantinople .. Sultan. Sultan. However a metropolitan bishop remained in Belgrade during the period of the Pec patriarchate 's abolition .. Belgrade. Belgrade
not_related.