You will be given a definition of a task first, then some input of the task.
In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: A drummer is a musician who plays drums, which includes a drum kit ("drum set" or "trap set", including cymbals) and accessory-based hardware which includes an assortment of pedals and standing support mechanisms, marching percussion or any musical instrument that is struck within the context of a wide assortment of musical genres. The term percussionist applies to a musician who performs struck musical instruments of numerous diverse shapes, sizes and applications. Most contemporary western ensembles bands for rock, pop, jazz, R&B etc. include a drummer for purposes including timekeeping and embellishing the musical timbre. Most drummers of this particular designation work within the context of a larger contingent (a.k.a. rhythm section) that may also include, keyboard (a percussion instrument) or guitar, auxiliary percussion (often of non western origin) and bass (bass viol or electric). Said ensembles may also include melodic based mallet percussion including: vibraphone, marimba or xylophone. The rhythm section, being the core metronomic foundation with which other melodic instruments, including voices, may present the harmonic/melodic portion of the material., Wilhelmus Frederikus (Pim) Koopman (Hilversum, 11 March 1953  Hilversum, 23 November 2009) was the drummer and percussionist of the Dutch Progressive rock band, Kayak., Ton Scherpenzeel (Hilversum, 6 August 1952) is a keyboardist and a founding member of the Dutch rock band Kayak, together with Pim Koopman and Max Werner whom he met whilst at the Hilversum Muziek Lyceum (Hilversum College of Music)., Progressive rock (shortened as "prog"; sometimes "art rock", "classical rock" or "symphonic rock") is a broad subgenre of rock music that developed in the United Kingdom and United States throughout the mid to late 1960s. Initially termed "progressive pop", the style was an outgrowth of psychedelic bands who abandoned standard pop traditions in favour of instrumentation and compositional techniques more frequently associated with jazz, folk or classical music. Additional elements contributed to its "progressive" label: lyrics were more poetic, technology was harnessed for new sounds, music approached the condition of "art", and the studio, rather than the stage, became the focus of musical activity, which often involved creating music for listening, not dancing., Max Werner (born 29 December 1953, in Hilversum) was lead singer, drummer, and percussionist of the Dutch Progressive rock band, Kayak. In 1972, he co-founded the band along with keyboardist Ton Scherpenzeel, guitarist Johan Slager, and drummer Pim Koopman. 
He sang lead vocals (and played mellotron) on Kayak's first five albums. He later switched to drums until the band split up in 1982. In 1999, he returned as singer for the Kayak album "Close to the Fire". After a short tour in 2000, he had to leave again due to health problems. 
Max Werner recorded four solo albums. In May 1981, he scored a hit single with "Rain in May," which peaked at #6 in the Netherlands. In June of that same, it got as high as #74 on the "Billboard" Hot 100 in the U.S. In September 1981, the song peaked at #2 in Germany. In April 2005, Werner performed the song on the German TV show ""Die Hit-Giganten - die 30 größten Hits und Interpreten der coolen Achtziger."", Johan Slager ( born 1946 ) is the original guitar player of the Dutch Progressive Rock band Kayak . He co-founded the band along with Ton Scherpenzeel , Pim Koopman and Max Werner in 1972 . He left the band in 1982 after 9 albums , and returned briefly for a couple of performances in the 1990s . When Kayak reunited in 1999 , Johan was replaced by Rob Winter . During and after his time with Kayak , Johan played with many Dutch artists . He played on albums by Circus Custers , Bolland & Bolland and Ekseption , and he formed his own band called Plus Doreen . His guitar sounds can also be heard on albums by his ex-Kayak mates Max Werner and Edward Reekers . In recent years , he has joined singer Michel van Dijk ( Alquin ) . Together with befriended musicians they play in Dutch pubs , doing mostly covers ( Rolling Stones , Bob Dylan , The Band , etc. ), A keyboardist is a musician who plays keyboard instruments. Until the early 1960s musicians who played keyboards were generally classified as either pianists or organists. Since the mid-1960s, a plethora of new musical instruments with keyboards have come into common usage, requiring a more general term for a person who plays them. These keyboards include:, Subject: johan slager, Relation: occupation, Options: (A) band (B) drummer (C) guitarist (D) keyboardist (E) member (F) musician (G) percussionist (H) r (I) singer (J) united kingdom
Output:
guitarist