The Congress is a 1988 documentary film directed by the Emmy Award-winning director Ken Burns.
 The Florentine Films production, which focuses on the United States Congress, aired on PBS in 1989.
 Narrated by David McCullough, the documentary features use of photographs, paintings, and film from sessions of Congress, in its implementation of the Ken Burns Effect.
 Scenes from the Academy Award-winning Frank Capra film "Mr. Smith Goes to Washington" are also used.
 The work features numerous interviews from writers and historians including Charles McDowell, David McCullough, Cokie Roberts, George Tames, David Broder, James MacGregor Burns, Barbara Fields, and Alistair Cooke.
 Many congressmen are specifically referred to, including Henry Clay, John C. Calhoun, Jefferson Davis, Thomas Brackett Reed, Joseph Gurney Cannon, George William Norris, Jeannette Rankin, and Everett Dirksen.
 The film also includes focus on the Congress' work during pivotal periods in United States history, including the Civil War, Civil Rights Movement, and Women's suffrage.
 The documentary was released by PBS, on DVD in 2004.
 Footage of the Capitol from the film was later incorporated into Burns' later masterpiece, The Civil War.
Wadd: The Life & Times of John C. Holmes is a 1998 documentary produced and directed by Cass Paley, about adult film icon John C. Holmes.
 It was the winner of Best Feature Documentary at the 1999 South by Southwest Film Festival held annually in Austin, Texas.
Clash of Wings is a 15-episode documentary television series which originally aired in 1998 on the Discovery Channel.
 The hour-long episodes were some of the initial shows of Discovery Network's 1999 launch of the Military Channel.
 Aired as a knock-off of the "Clash of Wings" (1994) reference book by air historian Walter J. Boyne, the programs were produced in 1998 and aired the next year appearing as some of the initial original content in the launch of the new Discovery Wings cable channel (before its name change in 2005 to the Military Channel).
 The programs were hosted and partially narrated by Boyne, written by Boyne (also credited as associate producer) together with director-producer John Honey, and presented by executive producer Phillip Osborn.
 The effort adapted his encyclopedic work of the same name.
Wings of Life (known as Pollen in France and Hidden Beauty: A Love Story That Feeds the Earth in the United Kingdom) is a 2011 French-American nature documentary film directed by Louis Schwartzberg and released by Disneynature.
 It was released theatrically in France on March 16, 2011, with narration by Melanie Laurent, and in home media markets across the US on April 16, 2013, with narration by Meryl Streep.
Entertainment is a 2015 American drama film co-written, directed, and co-produced by Rick Alverson, starring Gregg Turkington, Tye Sheridan, and John C. Reilly.
 The film follows an unnamed comedian (a variant of Turkington's long-standing character Neil Hamburger) as he performs in various locations where the audience is either hostile or indifferent to him.
 He receives advice from his cousin John (Reilly), and as he continues to tour, his performances begin to lower in quality and some audience members become hostile.
 Alverson, Turkington and Tim Heidecker co-wrote the film.
Bagboy is a 2015 American television special produced for Adult Swim, and aired on February 21, 2015, to positive critical reception.
 Written and directed by Tim Heidecker and Eric Wareheim for Abso Lutely Productions and John C. Reilly, the special is a fictional sitcom pilot in the universe of "Tim and Eric Awesome Show, Great Job!
", written by and starring Reilly's recurring "Tim and Eric" character Dr. Steve Brule.
 This is the second "Tim and Eric" spin-off to feature the Dr. Steve Brule character after "Check it Out!
 with Dr. Steve Brule".
Bears is a 2014 nature documentary film about a family of brown bears living in the coastal mountain ranges of Alaska.
 Directed by Alastair Fothergill and Keith Scholey and narrated by John C. Reilly, "Bears" was released theatrically by Disneynature on April 18, 2014, the seventh nature documentary released under that label.
Step Brothers is a 2008 American comedy film directed by Adam McKay, written by Will Ferrell and McKay from a story by Ferrell, McKay, and John C. Reilly and starring Ferrell and Reilly.
 It follows Brennan (Ferrell) and Dale (Reilly), two men who are forced to live together as brothers.
Hugh Reily, also known as Hugh Reilly or Hugh O’Reilly (c.1630 – 1695) was M.P. for Cavan Borough in the Patriot Parliament of 1689 and a famous political author.
 His Irish name was Aodh O’Raghallaigh and his ancestors were the Lords of East Breifne and Chiefs of the O’Reilly clan.
 Reilly was a close relative of John O’Reilly of Caulfield, Laragh Parish, Co.
 Cavan who was an ancestor of John Charles McQuaid, Archbishop of Dublin.
American director, screenwriter, and producer Paul Thomas Anderson has directed seven feature-length films, five short films, twelve music videos, one documentary, one television episode as a guest segment director, and one theatrical play.
 He made his directorial debut with the mockumentary short film "The Dirk Diggler Story" (1988), at the age of 18, about a pornographic actor in the 1970s.
 Anderson followed it five years later with another short film, "Cigarettes & Coffee" in 1993.
 In 1996, Anderson wrote and directed the neo-noir crime thriller "Hard Eight", starring Philip Baker Hall, John C. Reilly, Gwyneth Paltrow, and Samuel L. Jackson.
 The film was well received, with film critic Roger Ebert saying of it in his review, "Movies like "Hard Eight" remind me of what original, compelling characters the movies can sometimes give us."
 Using the basis of "The Dirk Diggler Story", Anderson wrote and directed an expansion of the film entitled "Boogie Nights" in 1997.
 The film starred Mark Wahlberg as Eddie Adams/"Dirk Diggler" during the Golden Age of Porn in the 1970s and his eventual downfall in the 1980s.
 "Boogie Nights" received acclaim from critics and was a commercial success; at the 70th Academy Awards ceremony, the film was nominated for three Academy Awards, including for Best Supporting Actor (Burt Reynolds), Best Supporting Actress (Julianne Moore) and Best Original Screenplay.

Question: Which documentary is narrated by John C. Reilly, Bears or Wings of Life?
Answer: Bears