With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sian Brooke is only Welsh.
text_B: Liu Jun -LRB- 926 -- 968 -RRB- originally Liu Chengjun , was the 2nd ruler of the Shatuo state of Northern Han .. Shatuo. Shatuo. Northern Han. Northern Han. His capital was at Taiyuan , Shanxi Province .. Taiyuan. Taiyuan. Shanxi. Shanxi. He was the 2nd son of Liu Chong -LRB- also known as Liu Min -RRB- , the 1st emperor of Northern Han .. Northern Han. Northern Han. Liu Chong. Liu Chong. In 951 , after the death of his brother Liu Yun , he became the heir of his father .. Liu Yun. Liu Yun ( governor ). During his reign , in 960 , the Later Zhou dynasty was overthrown and replaced by the Song dynasty .. Later Zhou dynasty. Later Zhou dynasty. Song dynasty. Song dynasty
not_related.