With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John McCain has chaired the Senate Commerce Committee.
text_B: Ancylobacter rudongensis is a bacterium from the family of Xanthobacteraceae which has been isolated from root of the plant Spartina anglica from the beach from the Jiangsu Province in China .. Xanthobacteraceae. Xanthobacteraceae. Ancylobacter. Ancylobacter. Spartina anglica. Spartina anglica. Jiangsu Province. Jiangsu Province. China. China
not_related.