Does the sentence "For example, the now-widespread haredi tradition of cutting a boy's hair for the first time on his third birthday (upshirin or upsheerin, Yiddish for "haircut") "originated as an Arab custom that parents cut a newborn boy's hair and burned it in a fire as a sacrifice," and "Jews in Palestine learned this custom from Arabs and adapted it to a special Jewish context."" provide a valid answer to the question "What is done with the newborn boy's hair once it is cut?" OPTIONS:
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A: yes

Does the sentence "If current developments continue, some[who?] believe it is reasonable to suggest that lasers will play a major role in air defence starting in the next ten years." provide a valid answer to the question "What laser can currently be used in the type of role that was first thought of in the late 1960s?" OPTIONS:
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A: no

Does the sentence "The volume "Credit Correlation: Life After Copulas", published in 2007 by World Scientific, summarizes a 2006 conference held by Merrill Lynch in London where several practitioners attempted to propose models rectifying some of the copula limitations." provide a valid answer to the question "What did the volume "Credit Correlation: Life After Copulas" propose models to rectify?" OPTIONS:
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A: yes

Does the sentence "Some news commentators claim that this proposal de facto contradicts the bilateral agreements on the free movement of persons from these respective countries." provide a valid answer to the question "In February of 2014, what did Swiss voters narrowly approve to restrict?" OPTIONS:
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- no

A:
no