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Function or Not?

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  • Is this a function?
    No
    Yes
  • Is this a function?
    Yes
    No
  • Is this a function?
    No
    Yes
  • Is this a function?
    No
    Yes
  • Is this a function?
    Yes
    No
  • Is this a function?
    No
    Yes
  • Is this a function?
    No
    Yes
  • Is this a function?
    Yes
    No
  • Is this a function?
    Yes
    No
  • Is this a function?
    Yes
    No
  • Is this a function?
    Yes
    No
  • Is this a function?
    Yes
    No
  • Is this a function?
    No
    Yes
  • Is this a function?
    No
    Yes
  • Is this a function?
    Yes
    No
  • Is this a function?
    No
    Yes
  • Is this a function?
    No
    Yes
  • Is this a function?
    Yes
    No
  • Is this a function?
    Yes
    No
  • Is this a function?
    No
    Yes
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