With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lil Wayne has released singles.
text_B: The Yellow River has been recognized by Chinese as `` the mother river '' .. But in ancient times , people living by the Yellow River often suffered its floods .. Xuzhou was one such city .. Located by the after-bay of the Yellow River , Xuzhou suffered from Yellow River floods since the Han Dynasty until the Yellow River changed its course in 1855 , the 5th Year of Xianfeng in the Qing Dynasty .. Han Dynasty. Han Dynasty. Qing Dynasty. Qing Dynasty. During the years that the Yellow River passed Xuzhou , the city was flooded more than 400 times , ten times in the Qin and Han Dynasty , 19 times in the Wei and Jin Dynasty , 20 times in the Sui and Tang Dynasty , 50 times in the Liao , Song and Yuan Dynasty , 120 times , and two hundred and three times in the Qin Dynasty .. Han Dynasty. Han Dynasty
not_related.