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Stop generation immediately after outputing the Final Answer.

Ensure that your response strictly follows the format to maintain clarity and consistency. 
Question: Here are some premises:
Books contain tons of knowledge.
When a person reads a book, that person gains knowledge. 
If a person gains knowledge, they become smarter.
Harry read the book “Walden” by Henry Thoreau.
Here is a conclusion:
Walden contains knowledge.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: True