With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mother Teresa is a priest.
text_B: Marcantonio Marcolini -LRB- 1721 -- 1782 -RRB- was an Italian Catholic bishop and cardinal .. Italian. Italian people. Catholic. Catholic Church. bishop. Bishop ( Catholic Church ). cardinal. Cardinal ( Catholicism )
not_related.