常見問題：
問：1. Q: What is Secret? 答： A: Secret is a South Korean girl group formed by TS Entertainment in 2009.
問：6. Q: What is Secret's most popular song? 答： A: Secret's most popular song is "Poison," which was released in 2014 and became a huge hit in South Korea.
問：冰桶挑戰的目的為何？ 答：冰桶挑戰的主要目的是提高對肌萎縮性側索硬化症（ALS）的認識，並為相關的研究和治療籌集資金。