Does the sentence "To pay for its military campaigns and the settlement of newly conquered frontier territories, the government nationalized the private salt and iron industries in 117 BC, but these government monopolies were repealed during the Eastern Han period." provide a valid answer to the question "In what period did several government monopolies become repealed?" OPTIONS:
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A: yes

Does the sentence "Winters are cold and damp, and prevailing wind patterns that blow offshore minimize the moderating effects of the Atlantic Ocean; yet the Atlantic and the partial shielding from colder air by the Appalachians keep the city warmer in the winter than inland North American cities at similar or lesser latitudes such as Pittsburgh, Cincinnati, and Indianapolis." provide a valid answer to the question "What mountains serve as a barrier to keep New York City comparatively warmer in the winter?" OPTIONS:
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A: yes

Does the sentence "German musicians and, particularly, the pioneering bands Tangerine Dream and Kraftwerk have also contributed to the development of electronic music." provide a valid answer to the question "What type of music does Kraftwerk make?" OPTIONS:
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A: yes

Does the sentence "Southern Iberia remained under control of Islamic states, initially under the Caliphate of Cordoba, which broke up in 1031 into a shifting number of petty states known as taifas, who fought with the Christians until the Almohad Caliphate re-established centralised rule over Southern Iberia in the 1170s." provide a valid answer to the question "What Islamic state controlled southern Iberia in the 1170s?" OPTIONS:
- yes
- no

A:
yes