With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Howard Stern has two books he wrote.
text_B: The Martinique national rugby union team represents Martinique at the sport of rugby .. Martinique. Martinique. rugby. Rugby football. Martinique has been playing international rugby since 1991 but has never qualified for a Rugby World Cup .. Martinique. Martinique. rugby. Rugby football. Rugby World Cup. Rugby World Cup. They have played mainly against Caribbean sides , i.e. Trinidad & Tobago , Guyana and Barbados .. Barbados. Barbados national rugby union team. Trinidad & Tobago. Trinidad and Tobago national rugby union team. Guyana. Guyana national rugby union team. TOC
not_related.