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Interesting question,
P, R, and T have green cars. Q and S have black shoes. So in conclusion, nobody has both a green car and black shoes.
Answer:
Victor Frankenstein is the protagonist of Mary Shelley's 1818 novel Frankenstein; or, The Modern Prometheus. He's an ambitious, intelligent, and hardworking scientist.
B. As a resource for locating credible sources for him to consult.