With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Buddy Holly was an American.
text_B: `` Half Heaven -- Half Heartache '' is a song released by Gene Pitney in 1962 .. Gene Pitney. Gene Pitney. 1962 in music. The song spent 12 weeks on the Billboard Hot 100 chart , peaking at No. 12 , while reaching No. 4 on Canada 's CHUM Hit Parade , and No. 5 on Billboards Middle-Road Singles chart .. CHUM Hit Parade. CHUM Chart. Billboard. Billboard ( magazine ). Middle-Road Singles. Adult Contemporary ( chart ). In 2000 , Jane Olivor released a version of the song on her album Love Decides , featuring Gene Pitney singing harmony .. Gene Pitney. Gene Pitney. Jane Olivor. Jane Olivor
not_related.