Premise: Seo Ju-hyun ( born June 28 , 1991 ) , known professionally as Seohyun , is a South Korean singer and actress . Seohyun ( born Seo Joo-hyun ) is a South Korean singer , member of Girls ' Generation and its subgroup Girls ' Generation-TTS .
Hypothesis: Seohyun was born in 1991.
Label: ENTAILMENT