Question: Which of the following musicians is a guitarist in the band Bullet for My Valentine: Chris Robinson or Matthew Tuck? 

Context paragraphs:
Michael Paget: Michael Paget (born 12 September 1978), also known as Padge, is a Welsh musician, singer, songwriter, and guitarist.  He is the lead guitarist and backing vocalist for the Welsh heavy metal band Bullet for My Valentine.

Bullet for My Valentine (EP): Bullet for My Valentine is the eponymous first release by Welsh heavy metal band Bullet for My Valentine.  It was released on 15 November 2004 through Visible Noise in the UK.  The song "Hand of Blood" was released as a music video to promote the EP.  The song "Cries in Vain" would later appear on the band's full-length debut, "The Poison".  This EP is not available on the U.S. version of iTunes.

Bullet for My Valentine: Bullet for My Valentine, often abbreviated as BFMV or B4MV, are a Welsh heavy metal band from Bridgend, formed in 1998.  The band is composed of Matthew Tuck (lead vocals, rhythm guitar), Michael Paget (lead guitar, backing vocals), Michael Thomas (drums) and Jamie Mathias (bass guitar).  Former members include Nick Crandle and Jason James; both were on bass.  They were formed under the name Jeff Killed John and started their music career by covering songs by Metallica and Nirvana.  Jeff Killed John recorded six songs which were not released; two of these tracks were reworked later in their career as Bullet for My Valentine.  Financial difficulties dictated the name change, which was followed by a change in music direction.  In 2002, the band secured a five-album deal with Sony BMG.  The band has stated that their music is influenced by classic metal acts such as Metallica, Iron Maiden and Slayer.  The band is part of the Cardiff music scene.

Temper Temper (Bullet for My Valentine album): Temper Temper is the fourth studio album by the Welsh heavy metal band Bullet for My Valentine released on 8 February 2013 in Australia, and 11 February 2013 worldwide under RCA Records, their first under the label.  The album was once again produced by Don Gilmore, who worked on the group's last album, 2010's "Fever", and was mixed by noted engineer Chris Lord-Alge.  This would be the last album with longtime bassist Jason James before he departed from the band in February 2015.

AxeWound: AxeWound Is a British-Canadian supergroup formed in 2012 comprising Liam Cormier of Cancer Bats on lead vocals, Matthew Tuck of Bullet for My Valentine on guitar and backing vocals, Mike Kingswood formerly of Glamour of the Kill on guitar, Joe Copcutt of Zoax and formerly of Rise to Remain playing bass and Jason Bowld of Pitchshifter on drums.

Rare Cuts (EP): Rare Cuts is an EP by Welsh metalcore band Bullet for My Valentine, released in Japan only.  "Rare Cuts" contains bonus tracks from Bullet for My Valentine's album "The Poison".  It includes an acoustic version of the band's song "Tears Don't Fall".

Chris Robinson (singer): Christopher Mark "Chris" Robinson (born December 20, 1966) is an American musician.  He was the singer of the rock and roll band The Black Crowes and brother of its guitarist Rich Robinson.

P.O.W (Bullet for My Valentine song): P.O.W (Prisoner of War) is a song by the Welsh heavy metal band Bullet for My Valentine.  The song is included on their 4th studio album "Temper Temper".  The album was released on 8 February 2013.  There is a music video for "P.O.W", released on 24 May 2013, and an official release came on 17 June.  The song was written by Matthew Tuck, rhythm guitarist and lead vocalist for the group.

Matthew Tuck: Matthew "Matt" Tuck (born 20 January 1980) is a Welsh musician.  He is the lead vocalist and rhythm guitarist in the Welsh heavy metal band Bullet for My Valentine.  He and the other 3 members of his old band founded "Jeff Killed John" in 1998, but after bassist Nick Crandle left in 2003, the band was renamed to Bullet for My Valentine.  He is also a singer and guitarist in the supergroup AxeWound, which was formed in 2012.  He also plays piano, drums, keyboard, and harmonica.  He did a collaboration with Max Cavalera (Soulfly, Cavalera Conspiracy, ex-Sepultura) and with Apocalyptica in the song "Repressed".

Chris Robinson Brotherhood: Chris Robinson Brotherhood is an American blues rock band formed in 2011 by Black Crowes singer Chris Robinson while The Black Crowes were on hiatus.  The band has released four studio albums: "Big Moon Ritual", "The Magic Door", "Phosphorescent Harvest", and "Any Way You Love, We Know How You Feel".  The band consists of Robinson, guitarist Neal Casal, keyboardist Adam MacDougall, bassist Jeff Hill (who replaced original bassist Mark Dutton in 2016), and drummer Tony Leone (who replaced original drummer George Sluppick in January 2015).

Supporting paragraphs: Chris Robinson (singer) Matthew Tuck
Answer: Matthew "Matt" Tuck