Does the sentence "Mayor Bill de Blasio has committed to an 80% reduction in greenhouse gas emissions between 2014 and 2050 to reduce the city's contributions to climate change, beginning with a comprehensive "Green Buildings" plan." provide a valid answer to the question "What percent reduction of greenhouse gases does Mayor de Blasio want to see by 2050?" OPTIONS:
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A: yes

Does the sentence "These Mahayana teachings were first propagated into China by Lokaksema, the first translator of Mahayana sutras into Chinese during the 2nd century CE.[note" provide a valid answer to the question "The Mahayana teachings were first propagated into China by who?" OPTIONS:
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A: yes

Does the sentence "For Hegel there must be some identity of thought and being for the "subject" (any human observer)) to be able to know any observed "object" (any external entity, possibly even another human) at all." provide a valid answer to the question "What does Hegel mean by "object"?" OPTIONS:
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A: yes

Does the sentence "Out of his enthusiastic interest in reaching Tuva came the phrase "Tuva or Bust" (also the title of a book about his efforts to get there), which was tossed about frequently amongst his circle of friends in hope that they, one day, could see it firsthand." provide a valid answer to the question "What is the name of the film that discusses Feynman's attempt to get to Tuva?" OPTIONS:
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- no

A:
no