With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vitamin B12 is the name of a popular music album.
text_B: Henry Thomas Moore , known as Harry Moore -LRB- 27 June 1861 -- 24 September 1939 -RRB- was an English international footballer , who played as a full back .. footballer. association football. full back. Defender ( association football )
not_related.