Question: Let S be an NP-complete problem and Q and R be two other problems not known to be in NP. Q is polynomial time reducible

Let S be an NP-complete problem and Q and R be two other problems not known to be in NP. Q is polynomial time reducible to S and S is polynomial time reducible to R. Which of the following statements are true?

A. R is NP complete

B. R is NP Hard

C. Q is NP complete

D. Q is NP hard

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