With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bahrain is a land-locked country.
text_B: For the racing driver Robyn Gordon , part of AAGR , see All-American Girl Racing. All-American Girl Racing. All-American Girl Racing. Grevillea ` Robyn Gordon ' is a very popular grevillea cultivar which has been planted widely in Australia and other countries .. grevillea. grevillea
not_related.