With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Motorola had not staged a resurgence.
text_B: The Dean of Leighlin is based at the Cathedral Church of St Laserian , Old Leighlin in the united Diocese of Cashel and Ossory within the Church of Ireland .. Diocese of Cashel and Ossory. Diocese of Cashel and Ossory. The current incumbent is Thomas W. Gordon .
not_related.