With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Timber failed to feature Kesha.
text_B: `` Timber '' is a song by American rapper Pitbull featuring American recording artist Kesha .. Pitbull. Pitbull ( rapper ). Kesha. Kesha. rapper. rapping. recording artist. recording artist. The song was released on October 7 , 2013 , as the lead single from Pitbull 's extended play -LRB- EP -RRB- Meltdown .. Pitbull. Pitbull ( rapper ). Meltdown. Meltdown ( EP ). lead single. lead single. extended play. extended play. The song was produced by Dr. Luke , Cirkut , and Sermstyle , with additional production by Nick Seeley .. Dr. Luke. Dr. Luke. Cirkut. Cirkut ( record producer ). Sermstyle. Sermstyle. produced. Music production. The song interpolates Lee Oskar 's 1978 single `` San Francisco Bay '' and features harmonica player Paul Harrington , who plays through the entire song and was told to emulate Oskar .. Lee Oskar. Lee Oskar. harmonica. harmonica. The song peaked at No. 1 on the Billboard Hot 100 for three consecutive weeks and also topped the charts in many other countries , including Canada -LRB- where it stood at No. 1 for eight consecutive weeks -RRB- , Denmark , Germany , the Netherlands , and the United Kingdom .. No. 1. List of Billboard Hot 100 number-one singles of 2013. Hot 100. Billboard Hot 100. charts. music charts. According to the IFPI , the song sold 12.6 million units worldwide in 2014 , including single-track downloads and track-equivalent streams , becoming the sixth best-selling song of that year .
related.