1. Only assumption I is implicit
  2. Only assumption II is implicit
  3. Either I or II is implicit
  4. Neither I nor II is implicit
  5. Both I and II are implicit

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AhmedNazir

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Answer: Option 1

Since the narrator talks of satisfying himself by just looking at a picture in encyclopaedia, it means that pink headed ducks are not to be seen alive. So, I is implicit. But II does not follow from the statement and is not implicit.

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