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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:
Plungers suck.
Vacuums suck.
Vampires suck.
Space is a vacuum.
A duster is a household appliance that doesn't suck.
Here is a conclusion:
Space is a vampire.
Based on the premises, is the conclusion True, False, or Uncertain?
Answer: Uncertain