With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In the past, Snoopy Doggy Dogg was a name for Snoop Dogg.
text_B: Linghu Chu -LRB- 766 -- December 18 , 837 -RRB- , courtesy name Keshi , formally Duke Wen of Pengyang , was an official of the Chinese Tang Dynasty , serving as a chancellor during the reigns of Emperor Xianzong and -LRB- briefly -RRB- Emperor Xianzong 's son Emperor Muzong .. Linghu. Linghu. courtesy name. courtesy name. Chinese. History of China. Tang Dynasty. Tang Dynasty. chancellor. chancellor of Tang Dynasty. Emperor Xianzong. Emperor Xianzong of Tang. Emperor Muzong. Emperor Muzong of Tang
not_related.