With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Greece is a European country.
text_B: John Wendell Thompson -LRB- born April 24 , 1949 -RRB- is the CEO of privately held Virtual Instruments and the chairman of Microsoft .. Microsoft. Microsoft. He is a former vice-president at IBM and the former chief executive officer -LRB- CEO -RRB- of Symantec .. IBM. IBM. Symantec. Symantec. chief executive officer. chief executive officer. Thompson later became an independent director on the board of Microsoft , and on February 4 , 2014 , he was named the chairman of the board .. Microsoft. Microsoft. He led the search for Microsoft 's next CEO ; as a result , Satya Nadella was selected .. Microsoft. Microsoft. Satya Nadella. Satya Nadella
not_related.