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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:
Billings is a city in the state of Montana in U.S.
The state of Montana includes the cities of Butte, Helena, and Missoula.
White Sulphur Springs and Butte are cities in the same state in U.S.
The city of St Pierre is not in the state of Montana.
Any city in Butte is not in St Pierre.
A city can only be in one state in U.S.  except for Bristol, Texarkana, Texhoma and Union City.
Here is a conclusion:
St Pierre and Bismarck are in the same state.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: Uncertain