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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:
All hydrocarbons are organic compounds .
All alkanes are hydrocarbons
All organic compounds are chemical compounds.
All organic compounds contain carbon.
No chemical compounds contain only one element.
The mixture either both is a chemical compound and contains only one element, or neither. 
Here is a conclusion:
The mixture is an alkane and contains carbon.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: False