With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Oh Yeon-seo is a former member of LUV and she is musical.
text_B: There are over 20,000 Grade II * listed buildings in England .. This page is a list of these buildings in the district of Vale of White Horse in Oxfordshire .. Vale of White Horse. Vale of White Horse. Oxfordshire. Oxfordshire
not_related.