With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: IBM is incapable of inventing the hard disk drive.
text_B: Ron Martin may refer to  :. Ron Martin -LRB- geographer -RRB- , professor of economic geography at the University of Cambridge. Ron Martin -LRB- businessman -RRB- , British businessman and chairman of Southend United Football Club. Ron Martin -LRB- footballer -RRB- -LRB- 1904 -- 1984 -RRB- , Australian rules footballer
not_related.