With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Xbox One was made by Microsoft in 2004.
text_B: General John Campbell , 4th Earl of Loudoun -LRB- 5 May 1705 -- 27 April 1782 -RRB- was a British nobleman and army officer .. General. General ( United Kingdom ). British. Kingdom of Great Britain
not_related.