description: "DAD" encompasses two distinct references in the provided descriptions. Firstly, it is a work by Zhi Hai, which encourages viewers to perceive the world through a surreal lens, suggesting an artistic or literary piece aimed at altering conventional perspectives. Secondly, "DAD" refers to Sheldon's father, a character who holds the belief that Sheldon would attain adulthood by successfully navigating the challenges of college life on his own, without the need to depend on others. This dual reference to "DAD" combines the realms of art and character portrayal, illustrating both a creative endeavor by Zhi Hai and a familial relationship defined by expectations of independence and maturity.