With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rabat is a rabbit.
text_B: List of 4th-century religious leaders - List of 6th-century religious leaders - Lists of religious leaders by century. List of 4th-century religious leaders. List of 4th-century religious leaders. List of 6th-century religious leaders. List of 6th-century religious leaders. Lists of religious leaders by century. Lists of religious leaders by century. This is a list of the top-level leaders for religious groups with at least 50,000 adherents , and that led anytime from January 1 , 401 , to December 31 , 500 .. religious groups. religious denomination. It should likewise only name leaders listed on other articles and lists .
not_related.