With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Lennon was a member of the US government.
text_B: Francesco Maria Giannotti -LRB- 1635 -- April , 1699 -RRB- was a Roman Catholic prelate who served as Bishop of Segni -LRB- 1682 -- 1699 -RRB- .. Segni. Segni. Bishop of Segni. Bishop of Segni
not_related.