With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: SNSD is another name of Girls' Generation.
text_B: Kim Seol-hyun -LRB- ; born January 3 , 1995 -RRB- , better known by the mononym Seolhyun , is a South Korean singer and actress .. actress. actress. She is a member of South Korean girl group AOA and has starred in television dramas such as Ugly Alert -LRB- 2013 -RRB- and Orange Marmalade -LRB- 2015 -RRB- .. AOA. AOA ( band ). girl group. girl group. Ugly Alert. Ugly Alert. Orange Marmalade. Orange Marmalade ( TV series )
not_related.