UIKitIntroZomatoUIResponder inheritance chainWhich is the correct inheritance chain from NSObject down to UIButton?Pick one1Choice 1.NSObject → UIResponder → UIView → UIControl → UIButton2Choice 2.NSObject → UIView → UIResponder → UIControl → UIButton3Choice 3.NSObject → UIControl → UIResponder → UIView → UIButton4Choice 4.NSObject → UIResponder → UIControl → UIView → UIButton5Choice 5.UIResponder → NSObject → UIView → UIControl → UIButtonGrade