With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Indonesia has an abundance of socialized hospitals.
text_B: Double -LRB- stylized as DOUBLE -RRB- is the stage name for Japanese R&B singer -LRB- born March 14 , 1975 -RRB- .. stage name. stage name. R&B. Contemporary R&B. Double used to be the name for the two member R&B group consisting of Takako and her sister Sachiko .. R&B. Contemporary R&B. After the death of her sister in May 1999 , Takako started her solo career adopting Double as her stage name .. stage name. stage name. Double has been titled as the `` Queen of R&B '' and is considered to be a pioneer for being the first artist to bring American-style R&B to Japan .. R&B. Contemporary R&B
not_related.