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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:
The Picuris Mountains are a mountain range in New Mexico or Texas.
Juan de Onate visited the Picuris Mountains.
The Harding Pegmatite Mine, located in the Picuris Mountains, was donated.
There are no mountain ranges in texas that have mines that have been donated.
Here is a conclusion:
Juan de Onate visited a mountain range in Texas.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: Uncertain