What is the output if the launch() method is applied to a Properties object loaded from scifi.properties?

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What is the output if the launch() method is applied to a Properties object loaded from scifi.properties? 

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A. saturn5 null ?

B. saturn5 null null

C. null null ?

D. saturn5 ? ?

E. The code does not compile.

F. An exception is thrown at runtime.

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