With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Paris is the son of Queen Elizabeth.
text_B: The National Academy of Sciences of Ukraine -LRB- NASU ; Національна академія наук Украіни , Natsional 'n a akademiya nauk Ukrayiny , abbr  : NAN Ukraine -RRB- is the highest research body in Ukraine , as a self-governing state-funded organization .. Ukraine. Ukraine. It is the main research institution along with the five other academies specialized in various scientific disciplines .. NAS Ukraine consists of numerous departments , sections , research institutes , scientific centers and various other supporting scientific organizations .. Ukraine. Ukraine. The Academy reports on the annual basis to the Cabinet of Ministers of Ukraine .. Ukraine. Ukraine. Cabinet of Ministers of Ukraine. Cabinet of Ministers of Ukraine. The presidium of the academy is located at the following address vulytsia Volodymyrska , 57 , across the street from the Building of Pedagogical Museum where used to preside the Central Council during the independence period of 1917-18 .. Building of Pedagogical Museum. Ukrainian Club Building. Central Council. Central Rada
not_related.