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Multiple Choice

Which of the following is not a restriction in Posing in Objective-C?

  1. A posing class can call overridden methods through super keyword.
  2. The posing class must not define any new instance variables other than target class.
  3. A posing class can not override methods defined in the categories.
  4. The target class is unaware of any information about posing class.
  5. A class may only pose as one of its direct or indirect super classes.
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