Question: Which song was written and produced by Rihanna and Verse Simmonds on Rihanna's fifth studio album "Loud?"

Context paragraphs:
Verse Simmonds: Maurice "Verse" Simmonds is a Puerto Rican American singer, songwriter, and record producer.  Based in Los Angeles California bit raised in the Virgin Islands, he moved to the United States after high school and he formed the production duo the Jugganauts in the 1990s.  The duo has since co-written and produced tracks such as "Man Down" by Rihanna and "Who Gon Stop Me" by Kanye West and Jay-Z, both of which charted prominently on "Billboard".

Complicated (Rihanna song): "Complicated" is a song by Barbadian recording artist Rihanna from her fifth studio album "Loud" (2010).  It was written and produced by Tricky Stewart and Ester Dean.  "Complicated" is a dance-pop, hip hop and trance music song, which also displays elements of pop, dance-pop and R&B.  It contains lyrical content explaining how two people in a relationship can find one another complicated at times.  The song was acclaimed by critics, as the majority of reviewers concluded that it was one of the best tracks to be included on "Loud".  Reviewers also praised Rihanna's vocal performance in the song.  Upon the release of the album in November 2010, the song charted at number 50 on the South Korea Gaon International Chart.

Man Down (song): "Man Down" is a song by Barbadian singer Rihanna from her fifth studio album, "Loud" (2010).  Singer Shontelle and production duo Rock City wrote the song with its main producer, Sham.  They wrote it during a writing camp, in Los Angeles of March 2010, held by Rihanna's record label to gather compositions for possible inclusion on the then-untitled album.  Rock City were inspired by Bob Marley's 1973 song "I Shot the Sheriff" and set out to create a song which embodied the same feel, but from a female perspective.  "Man Down" is a reggae murder ballad which incorporates elements of ragga and electronic music.  Lyrically, Rihanna is a fugitive after she shoots a man, an action she later regrets.  Several critics singled out "Man Down" as "Loud"' s highlight, while others commented on her prominent West Indian accent and vocal agility.

Raining Men (Rihanna song): "Raining Men" is a song by Barbadian recording artist Rihanna from her fifth studio album, "Loud" (2010).  Written by Melvin Hough II, Rivelino Wouter, Timothy Thomas, Theron Thomas and Onika Maraj, and produced by Mel & Mus, the song was sent to urban radio on December 7, 2010, as the album's third single in the United States, and was re-sent to urban radio on January 25, 2011.  A hip hop song, it features rap vocals by Nicki Minaj and instrumentation consisting of sirens and bass.  The song's lyrics revolve around how there is an endless supply of men available in the world.  The song garnered a mixed response from music critics; some praised the chemistry between Rihanna and Minaj, while others commented that it bore strong resemblances to Beyoncé's song "Diva" with regard to its composition, and were critical of the notion.

California King Bed: "California King Bed" is a song by Barbadian singer Rihanna from her fifth studio album, "Loud" (2010).  The song was written and produced by Andrew Harr and Jermaine Jackson, of the American production duo The Runners, with Priscilla Renea and Alex Delicata.  The song was chosen to be a single from the album through Twitter, and it was released as the album's sixth single on May 13, 2011, by Def Jam.  "California King Bed" is a rock and R&B power ballad that lyrically discusses "the waking death of a relationship", where Rihanna asks her lover if he loves her with emotional weakness.  Rihanna's vocals were commended by critics.

Loud (Rihanna album): Loud is the fifth studio album by Barbadian singer Rihanna.  It was released on November 12, 2010, by Def Jam Recordings and SRP Records.  It was recorded between February and August 2010, during the singer's Last Girl on Earth Tour and the filming of her first feature film "Battleship".  Rihanna was the executive producer of "Loud" and worked with various record producers, including StarGate, Sandy Vee, The Runners, Tricky Stewart and Alex da Kid.  The album features several guest vocalists, including rappers Drake, Nicki Minaj and Eminem, who is featured on the sequel to "Love the Way You Lie", titled "Love the Way You Lie (Part II)".

All Things Work Together: All Things Work Together is the eighth studio album by American Christian hip hop artist Lecrae, released on September 22, 2017, through Reach Records and Columbia Records, also making it his first major label release.  The album features appearances from Tori Kelly, Ty Dolla $ign, 1K Phew, Kierra Sheard, Taylor Hill, Aha Gazelle, Jawan Harris and Verse Simmonds.

Skin (Rihanna song): "Skin" is a song by Barbadian recording artist Rihanna from her fifth studio album, "Loud" (2010).  The song was written by Kenneth Coby and Ursula Yancy, with production helmed by Soundz.  Musically, "Skin" is a R&B song that contains influences from pop, dance-pop and dubstep genres, whilst lyrically, the song is about being in a relationship with someone and only wanting to feel their skin close to the protagonists.  "Skin" received generally positive reviews from critics, as part of their overall review of "Loud", praising "Skins compositions as well as Rihanna's sensual vocal performance.  The song was included on the set list of the Loud Tour (2011), where Rihanna retrieves a man or woman from the audience near the end of the song, and performs a lap-dance whilst on an elevated platform.  "Skin" was also used in Rihanna's advertisement campaign for Armani Jeans.

Fading (song): "Fading" is a song by Barbadian recording artist Rihanna from her fifth studio album, "Loud" (2010).  The song was written by Jamal Jones and Ester Dean, whilst production of the song was completed by Jones under his production name, Polow da Don.  Musically, the song samples Irish instrumentalist and singer-songwriter Enya' s "One by One", whilst lyrically, the song is about leaving a man in a relationship.  After "Loud" had strong digital download sales in the United Kingdom, "Fading" charted at number 187 on that country's singles chart in November 2010.  The song received generally positive reviews from music critics, who praised da Don's production, but one critic criticized Rihanna for copying herself and failing to create something different.  Some critics also compared it to one of Rihanna's previous singles, "Take A Bow".  The song has also been performed on select dates of the Loud Tour (2011).

Loud Tour: The Loud Tour was the fourth overall and third world concert tour by Barbadian recording artist Rihanna.  Performing in over twenty countries in the Americas and Europe, the tour was launched in support of Rihanna's fifth studio album "Loud" (2010) but eventually supported her following album "Talk that Talk" as it was released during the tour, in November 2011.  Critics acclaimed the show for its liveliness and higher caliber of quality when compared to Rihanna's previous tours.  The Loud Tour was a large commercial success, experiencing demand for an extension of shows in the United Kingdom due to popularity.  In London, Rihanna played a record breaking 10 dates at The O2 Arena.  The tour ultimately grossed an estimated value of US$90 million from 98 reported shows and a total audience of 1,200,800.  The Loud Tour became the 7th highest grossing tour of 2011.

Supporting paragraphs: Verse Simmonds Man Down (song)
Answer: Man Down