With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frank Zappa is a jazz musician.
text_B: Edward Lee Morgan -LRB- July 10 , 1938 -- February 19 , 1972 -RRB- was an American jazz trumpeter .. jazz. jazz. Known mainly as one of the key hard bop musicians of the 1960s , Morgan came to prominence in his late teens , recording on John Coltrane 's Blue Train -LRB- 1957 -RRB- and with the band of drummer Art Blakey before launching a solo career .. hard bop. hard bop. Blue. Blue Note Records. Art Blakey. Art Blakey. John Coltrane. John Coltrane. Blue Train. Blue Train ( album ). Morgan stayed with Blakey until 1961 and started to record as leader soon after .. His song `` The Sidewinder '' , on the album of the same name , became a surprise crossover hit on the pop and R&B charts in 1964 , while Morgan 's recordings found him touching on other styles of music as his artistry matured .. The Sidewinder. The Sidewinder. Soon after The Sidewinder was released , Morgan rejoined Blakey for a short period of time .. The Sidewinder. The Sidewinder. After leaving Blakey for the final time , Morgan continued to work prolifically as both a leader and a sideman with the likes of Hank Mobley and Wayne Shorter , becoming , in the words of critic Steve Huey , '' -LSB- a -RSB- cornerstone of the Blue Note label roster '' .. Blue. Blue Note Records. Hank Mobley. Hank Mobley. Wayne Shorter. Wayne Shorter. Blue Note. Blue Note records. Morgan 's career was cut short at the age of 33 , when his longtime girlfriend shot him at Slug 's Saloon where he died of his injuries .
not_related.