Does the sentence "However, by early 1837 Maria Wodzinska's mother had made it clear to Chopin in correspondence that a marriage with her daughter was unlikely to proceed." provide a valid answer to the question "What did Frederic label the place in which he placed Maria and her mother's letters about the unlikely marriage?" OPTIONS:
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A: no

Does the sentence "These four countries were considered as the "Four Policemen" or "Four Sheriffs" of the Allies power and primary victors of World War II." provide a valid answer to the question "What did The United Nations name "The Trusteeship Of The Powerful"" OPTIONS:
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A: yes

Does the sentence "" Chopin was born in what was then the Duchy of Warsaw, and grew up in Warsaw, which after 1815 became part of Congress Poland." provide a valid answer to the question "What era was Chopin active during?" OPTIONS:
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A: no

Does the sentence "Upon his arrival in London, Hayek was quickly recognised as one of the leading economic theorists in the world, and his development of the economics of processes in time and the co-ordination function of prices inspired the ground-breaking work of John Hicks, Abba Lerner, and many others in the development of modern microeconomics." provide a valid answer to the question "What subject did Hayek's works influence and inspire?" OPTIONS:
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A:
yes