With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tom Welling played Clark Kent.
text_B: Robert Arnot -LRB- 1744 -- 1808 -RRB- was a Scottish Presbyterian minister and Professor of Divinity in St Andrews University , who was Moderator of the General Assembly of the Church of Scotland in 1794 .. Presbyterian minister. Presbyterian minister. Divinity. Divinity. St Andrews University. St Andrews University. Moderator of the General Assembly of the Church of Scotland. Moderator of the General Assembly of the Church of Scotland
not_related.