Question: Which Film, Pete's Dragon or Frozen, is a 3D computer animated musical?

Context paragraphs:
Charlie Callas: Charlie Callas (born Charles Callias; December 20, 1927January 27, 2011) was an American comedian and actor most commonly known for his work with Mel Brooks, Jerry Lewis, and Dean Martin, and his many stand-up appearances on television talk shows in the 1970s.  He was also known for his role as Malcolm Argos, the restaurant owner and former con man, on the Eddie Albert and Robert Wagner television series "Switch" (1975-1978).  Callas was also known as the voice of Elliott the dragon in Disney's live-action/animated musical film "Pete's Dragon" (1977).

Alvin and the Chipmunks: The Squeakquel: Alvin and the Chipmunks: The Squeakquel is a 2009 American live-action/computer animated musical family comedy film directed by Betty Thomas.  It is the second installment in the "Alvin and the Chipmunks" film series, the film stars Zachary Levi, David Cross and Jason Lee with the voices of Justin Long, Matthew Gray Gubler, Jesse McCartney, Amy Poehler, Anna Faris and Christina Applegate.  It was written by Jon Vitti, Jonathan Aibel and Glenn Berger, distributed by 20th Century Fox, and produced by Fox 2000 Pictures, Regency Enterprises and Bagdasarian Company.  The film is a sequel to the 2007 film "Alvin and the Chipmunks" and was released in theaters on December 23, 2009 by 20th Century Fox.  The film grossed $443,140,005 on a $70 million budget making it highest grossing one in the series.

Tormented (2009 Salvadorean film): Tormented (Atormentada in Spanish) is a computer animated short film written and directed by Sergio Rosa.  Produced by El Salvador-based Do Studio, it was projected in select theaters as part of the Film and TV Workshop by Escuela de Comunicaciones Mónica Herrera in November 2009.  The short film is considered to be the first professional computer animated ever produced in El Salvador, and part of the emerging salvadorean film industry.

Pete's Dragon (1977 film): Pete's Dragon is a 1977 American live-action animated musical fantasy comedy film directed by Don Chaffey, produced by Jerome Courtland and Ron Miller, and written by Malcolm Marmorstein.  It is based on an unpublished short story of the same name, written by classical Hollywood writer Seton I. Miller.  It stars Helen Reddy, Jim Dale, Mickey Rooney, Red Buttons, Shelley Winters, and Charlie Callas.  It revolves around an orphaned boy raised by an abusive hillbilly family who is friends with a dragon named Elliott.

Barbie and the Secret Door: Barbie and the Secret Door is a 2014 American/Canadian direct-to-video computer animated musical fantasy film, and the 28th entry in the Barbie film series.  This film is directed by Karen Lloyd, produced by Mattel Entertainment and Rainmaker Entertainment and released by Universal Studios Home Entertainment, and features the voice of Kelly Sheridan as Princess Alexa.  The story focuses on Alexa, a shy princess who discovers a secret door in her kingdom and enters a whimsical land filled with magical creatures.

Alvin and the Chipmunks: Chipwrecked: Alvin and the Chipmunks: Chipwrecked is a 2011 American live action/computer animated musical family comedy adventure film directed by Mike Mitchell.  It is the eighth installment in the "Alvin and the Chipmunks" film series following the 2009 film "", which was a sequel to the 2007 film "Alvin and the Chipmunks".  The film stars Jason Lee, David Cross and Jenny Slate with the voices of Justin Long, Matthew Gray Gubler, Jesse McCartney, Amy Poehler, Anna Faris and Christina Applegate.  It was distributed by 20th Century Fox and produced by Fox 2000 Pictures, Regency Enterprises and Bagdasarian Company.  The film was released on December 16, 2011.  A fourth film, "", was released on December 18, 2015.  The film grossed $343 million on a $80 million budget.

Gnome Alone: Gnome Alone is an upcoming Canadian-American computer animated musical comedy film directed by Peter Lepeniotis and written by Michael Schwartz and Zina Zaflow from a story by Robert Moreland, and Jared Micah Herman & Kyle Newman.  The film, produced by 3QU Media, stars the voices of Becky G, Josh Peck, Olivia Holt, George Lopez, and Patrick Stump.  On July 14, it was confirmed that the film will be released on October 13, 2017.

Alvin and the Chipmunks (film): Alvin and the Chipmunks is a 2007 American live-action/computer animated musical comedy film directed by Tim Hill.  Based on the characters of the same name created by Ross Bagdasarian, Sr., the film stars Jason Lee, David Cross, Cameron Richardson and Jane Lynch with the voices of Justin Long, Matthew Gray Gubler and Jesse McCartney.

Barbie (film series): There have been several American computer animated and motion capture-based direct-to-video films based on and featuring the doll Barbie.  Since her film debut appearance in 1987's "", Barbie has been a computer animated virtual actress starring in several feature films and short films (including a 1998 video game, "", that contains a short film).  After a fourteen-year absence, Mattel commissioned films to feature Barbie as a heroine of several princess or fairy-themed stories to accompany a franchise of related dolls and accessories.  Barbie also made appearances in "My Scene", "Toy Story 2", "Toy Story 3" and the upcoming "Toy Story 4".

Frozen (2013 film): Frozen is a 2013 American 3D computer-animated musical fantasy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures.  It is the 53rd Disney animated feature film.  Inspired by Hans Christian Andersen's fairy tale "The Snow Queen", the film tells the story of a fearless princess who sets off on a journey alongside a rugged iceman, his loyal pet reindeer, and a naïve snowman to find her estranged sister, whose icy powers have inadvertently trapped the kingdom in eternal winter.

Supporting paragraphs: Pete's Dragon (1977 film) Frozen (2013 film)
Answer: Frozen