With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Muhammad migrated from Mecca to Medina.
text_B: Priluzsky District is an administrative district -LRB- raion -RRB- , one of the twelve in the Komi Republic , Russia .. Komi Republic. Komi Republic. raion. raion. twelve. administrative divisions of the Komi Republic. Russia. Russia. It is located in the south of the republic .. The area of the district is 13168 km2 .. Its administrative center is the rural locality -LRB- a selo -RRB- of Obyachevo .. selo. village#Russia. Obyachevo. Obyachevo. administrative center. administrative center. rural locality. types of inhabited localities in Russia. As of the 2010 Census , the total population of the district was 20,737 , with the population of Obyachevo accounting for 27.5 % of that number .. Obyachevo. Obyachevo. 2010 Census. Russian Census ( 2010 )
not_related.