user: Q:Information:  - A rhythm section (also called a backup band) is a group of musicians within a music ensemble or band who provide the underlying rhythm and pulse of the accompaniment, providing a rhythmic reference and "beat" for the rest of the band. Many of the rhythm section instruments, such as keyboard instruments and guitars, are also used to play the chord progression upon which the song is based. The bass instrument (either double bass or electric bass, or another low-register instrument, such as synth bass, depending on the group and its style of music) plays the low-pitched bassline that supports the chord progression, typically by emphasizing the roots of the chords (and to a lesser degree the fifths and thirds of the chords).  - The saxophone (also referred to as the sax) is a family of woodwind instruments. Saxophones are usually made of brass and played with a single-reed mouthpiece similar to that of the clarinet. The saxophone family was invented by the Belgian instrument maker Adolphe Sax in 1840. Adolphe Sax wanted to create a group or series of instruments that would be the most powerful and vocal of the woodwinds, and the most adaptive of the brass instruments, that would fill the vacant middle ground between the two sections. He patented the saxophone on June 28, 1846, in two groups of seven instruments each. Each series consisted of instruments of various sizes in alternating transposition. The series pitched in B and E, designed for military bands, have proved extremely popular and most saxophones encountered today are from this series. Instruments from the so-called "orchestral" series, pitched in C and F, never gained a foothold, and the B and E instruments have now replaced the C and F instruments when the saxophone is used in an orchestra.  - The trombone is a musical instrument in the brass family. Like all brass instruments, sound is produced when the player's vibrating lips (embouchure) cause the air column inside the instrument to vibrate. Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch. Many modern trombone models also utilize a rotary valve as a means to lower pitch of the instrument. Variants such as the valve trombone and superbone have three valves like those on the trumpet.  - Supersax was a jazz group created in 1972 by saxophonist Med Flory and bassist Buddy Clark, in tribute to iconic bebop saxophonist Charlie Parker. The group's music consisted of harmonized arrangements of Charlie Parker improvisations played by a saxophone section (2 altos, 2 tenors, and a baritone), rhythm section (bass, piano and drums), and a brass instrument (trombone or trumpet).  - A trumpet is a musical instrument commonly used in classical and jazz ensembles. The trumpet group contains the instruments with the highest register in the brass family. Trumpet-like instruments have historically been used as signaling devices in battle or hunting, with examples dating back to at least 1500 BC; they began to be used as musical instruments only in the late-14th or early 15th century. Trumpets are used in art music styles, for instance in orchestras, concert bands, and jazz ensembles, as well as in popular music. They are played by blowing air through almost-closed lips (called the player's embouchure), producing a "buzzing" sound that starts a standing wave vibration in the air column inside the instrument. Since the late 15th century they have primarily been constructed of brass tubing, usually bent twice into a rounded rectangular shape.   - Warne Marion Marsh ( October 26 , 1927 -- December 18 , 1987 ) was an American tenor saxophonist . Born in Los Angeles , his restrained , cerebral playing first came to prominence in the 1950s as a protégé of pianist Lennie Tristano , and earned attention in the 1970s as a member of Supersax .    After reading the paragraphs above, we are interested in knowing the entity with which 'warne marsh' exhibits the relationship of 'instrument'. Find the answer from the choices below.  Choices: - bass  - piano  - saxophone  - trombone  - trumpet
A:

assistant: saxophone