With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Martin Freeman was born in the 1970s.
text_B: Ernst & Young Tower may refer to  :. Ernst & Young Tower -LRB- Cleveland -RRB-. Ernst & Young Tower -LRB- Melbourne -RRB- , on Exhibition Street , Melbourne. Ernst & Young Tower -LRB- Toronto -RRB-
not_related.