Premise: Choi Soo-young ( born February 10 , 1990 ) , better known by the mononym Sooyoung , is a South Korean singer and actress . Girls ' Generation , also known as SNSD , is a South Korean girl group formed by S.M. Entertainment . The group is composed of eight members : Taeyeon , Sunny , Tiffany , Hyoyeon , Yuri , Sooyoung , Yoona , and Seohyun . Im Yoon-ah ( Hangul : 임윤아 born May 30 , 1990 ) , better known by the mononym Yoona , is a South Korean singer and actress . Kim Hyo-yeon ( born September 22 , 1989 ) , better known mononymously as Hyoyeon , is a South Korean singer and television personality . Kim Tae-yeon ( born March 9 , 1989 ) , referred to monomously as Taeyeon , is a South Korean singer . Kwon Yu-ri ( born December 5 , 1989 ) , better known by the mononym Yuri , is a South Korean singer and actress . Seo Ju-hyun ( born June 28 , 1991 ) , known professionally as Seohyun , is a South Korean singer and actress . Lee Soon-kyu ( born May 15 , 1989 ) , known professionally as Sunny , is an American singer and actress currently based in South Korea . Stephanie Young Hwang ( born August 1 , 1989 ) , known professionally as Tiffany or Tiffany Hwang , is an American singer based in South Korea .
Hypothesis: Girls' Generation includes a human.
Label: ENTAILMENT