With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Comedian stars Leslie Mann.
text_B: Xu Jialu -LRB- ; born 1937 -RRB- was a vice-chairman of the Standing Committee of the National People 's Congress and was head of the College of Chinese Language and Culture at Beijing Normal University. Xu ( surname ). Beijing Normal University. Beijing Normal University
not_related.