Who is Dr. Watson's wife?
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Irene Alder
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Mrs. Hudson
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Mary Sutherland
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Mary Morstan
D
Correct answer
Explanation
Dr. Watson marries Mary Morstan in 'The Sign of Four' after Holmes helps her recover her father's treasure. Irene Adler is a notable adversary (from 'A Scandal in Bohemia'), Mrs. Hudson is the landlady, and Mary Sutherland is a client from 'A Case of Identity' - none were Watson's wife.