With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: KJ Apa was in the cast of Shortland Street.
text_B: -LRB- also known by its English title `` The Creamy Season '' -RRB- is one of the two songs that made up the fourth single by Japanese entertainer Chiaki Kuriyama , along with `` Ketteiteki Sanpunkan '' .. Chiaki Kuriyama. Chiaki Kuriyama. Ketteiteki Sanpunkan. Ketteiteki Sanpunkan. Japanese. Japanese people. They were released on March 2 , 2011 , as the lead singles from her debut album Circus , released two weeks later .. Circus. Circus ( Chiaki Kuriyama album ). Both songs were produced by musician Ringo Sheena .. Ringo Sheena. Ringo Sheena
not_related.