Greatest Hits, Vol.
 2 is a collection of ten previously released singles by Ray Stevens, released in 1987.
 It is the second volume of the "Greatest Hits" package of Stevens' music that was released by MCA Records.
 Of the ten selections on this volume, the fifth track, "Mama's in the Sky With Elvis," makes its first album appearance.
 Additionally, this collection consists of five recordings for MCA Records ("Would Jesus Wear a Rolex," "Can He Love You Half as Much as I," "The Ballad of the Blue Cyclone," "Mama's in the Sky With Elvis" and "The Haircut Song"), two for Warner Bros.
 Records ("I Need Your Help Barry Manilow" and "In the Mood"), two for Monument Records ("Mr. Businessman" and "Freddie Feelgood (And His Funky Little Five-Piece Band)") and one for Mercury Records ("Jeremiah Peabody's Poly Unsaturated Quick Dissolving Fast Acting Pleasant Tasting Green and Purple Pills").
"What Would Brian Boitano Do?"
 is a song from the 1999 film "" written by "South Park" co-creator Trey Parker and composer Marc Shaiman.
 In the song Olympic and professional figure skater Brian Boitano is treated lyrically as a superhero in a series of increasingly ludicrous situations.
 The title of the absurdist song is a parody of the evangelical Christian motto "What Would Jesus Do?
"
Crackin' Up!
 was Ray Stevens' twenty-fourth studio album and his fourth for MCA Records, released in 1987.
 Three singles were lifted from the album: "Would Jesus Wear a Rolex," "Three-Legged Man" and "Sex Symbols," the last two of which did not chart.
Big Tent Revival is a Christian rock band that formed in 1991, toured extensively, disbanded in 2000, and reformed in 2012.
 They were featured at the Harvest Crusades.
 Their most popular songs were "Two Sets of Jones'", "Choose Life", and "What Would Jesus Do?"
.
 The first told a story about two different couples in which one trusted in Jesus through the storms of life and the other didn't.
 The second was used as an invitational at Harvest Crusade altar calls.
 The last was part of the WWJD movement that encouraged people to consider what Jesus would do in real-life situations.
What Would Joey Do?
 is a 2003 novel in a series by Jack Gantos about the character, Joey Pigza.
 The title is a play on the Christian phrase "What would Jesus do?
", which Mrs. Lapp, Joey's homeschooling tutor, asks him at her doorstep on every visit.
 The phrase is also a mirror to Joey's own trouble-filled life, as to which choice would be the best for "mopping up the messy corners of his life."
What Would Jesus Buy?
 is a 2007 documentary film produced by Morgan Spurlock and directed by Rob VanAlkemade.
 The title is a take-off on the phrase "What would Jesus do?
".
 The film debuted on the festival circuit on March 11, 2007, at the South By Southwest (SXSW) conference in Austin, Texas.
 It went into general U.S. release on November 16, 2007.
The phrase "What would Jesus do?"
 (often abbreviated to WWJD) became popular, particularly in the United States but elsewhere as well, in the 1990s and as a personal motto for adherents of Christianity who used the phrase as a reminder of their belief in a moral imperative to act in a manner that would demonstrate the love of Jesus through the actions of the adherents.
Would Jesus Wear a Rolex is a song written by Margaret Archer and Chet Atkins, and recorded by Ray Stevens in 1987 on his album "Crackin' Up!
".
 The song reached 41 on the US Hot Country Songs charts and 45 on the Canadian Country charts.
What Would Tyler Durden Do?
 (WWTDD) is a gossip blog named for the "Fight Club" character Tyler Durden, and playing on the Christian inspirational phrase 'What would Jesus do?
' The blog, which is occasionally not safe for work, is notable for publishing rumours, criticism and revealing photographs of celebrities.
 The posts to the blog typically consist of a report followed by commentary from the author.
 Its readership is primarily from the United States.
 In a 2006 Youth Trends survey, What Would Tyler Durden Do?
 was one of two blogs of the top 10 most popular websites with females aged 17–25, a popularity the researcher attributed to "Gen Y females' current adoration with content surrounding celebrities and their 'uh oh' moments."
 It was cited by Mashable in 2008 as one of the 30 most salacious celebrity gossip sites on the Internet.
 The blog explains its purpose as follows:
The Fog of War: Eleven Lessons from the Life of Robert S. McNamara is a 2003 American documentary film about the life and times of former U.S. Secretary of Defense Robert S. McNamara illustrating his observations of the nature of modern warfare.
 The film was directed by Errol Morris and features an original score by Philip Glass.
 The title derives from the military concept of the "fog of war" depicting the difficulty of making decisions in the midst of conflict.

Question: What genre are both What Would Jesus Buy? and The Fog of War?
Answer: documentary