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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:
Robert Lewandowski is a striker.
Strikers are soccer players.
Robert Lewandowski left Bayern Munchen.
If a player leaves a team they no longer play for that team.
Here is a conclusion:
Robert Lewandowski is a star.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: Uncertain