question: The Chinese film 20 Once Again is a remake of which 2014 South Korean comedy?
answer: Miss Granny
context: Title: Sweet 20 (2017 film)
  Passage: Sweet 20 is a drama romantic comedy musical Indonesian film, a remake of the 2014 South Korean film "Miss Granny", under collaboration of Star Vision Plus Indonesia and CJ Entertainment.  This film is directed by Ody C. Harahap and stars Tatjana Saphira, Morgan Oey, Kevin Julio, Lukman Sardi, Niniek L. Karim and Slamet Rahardjo.  This film tells the story about Fatmawati, a 70-year-old grandmother who magically gets back into her 20s after taking a photo in a mysterious photo studio.  Sweet 20 was released on 25 June 2017 on the event of Eid al-Fitr.
  Title: Miss Granny
  Passage: Miss Granny (; lit.  "Suspicious Girl") is a 2014 South Korean comedy-drama film directed by Hwang Dong-hyuk.  Na Moon-hee stars as a woman in her 70s who magically finds herself in the body of her 20-year-old self (Shim Eun-kyung) after having her picture taken at a mysterious photo studio.  After opening in theaters on January 22, 2014, it became a huge box office hit, with 8.65 million tickets sold.
  Title: 20 Once Again
  Passage: 20 Once Again (Chinese: 重返20岁 "Chóng fǎn èrshí suì") is a 2015 Chinese comedy film directed by Leste Chen and starring Yang Zishan, Gua Ah-leh, Bolin Chen and Lu Han.  The film is a remake of the South Korean movie "Miss Granny".  It was released on January 8, 2015.
  Title: In Love and War (2011 film)
  Passage: In Love and War (; lit.  "Sleeping with the Enemy") is a 2011 South Korean comedy/drama/romance film starring Kim Joo-hyuk and Jung Ryeo-won.  In June 1950, soon after the Korean War breaks out, a troop of North Korean soldiers enter a small South Korean village.  The troop captain proclaims that they came to liberate the villagers but their true agenda is to ferret out the reactionaries.  The villagers offer them heartfelt hospitality and cooperation to avoid falling out of the army's favor.  Eventually genuinely strong and close friendship starts to build up between the soldiers and the villagers.
citations: 20 Once Again Miss Granny