Does the sentence "He developed a widely used pictorial representation scheme for the mathematical expressions governing the behavior of subatomic particles, which later became known as Feynman diagrams." provide a valid answer to the question "Feynman was famous for diagrams that showed how subatomic particles behaved, what are these known as?"

A: yes

Does the sentence "Examples include the totem poles carved by North American indigenous people from conifer trunks, often Western Red Cedar (Thuja plicata), and the Millennium clock tower, now housed in the National Museum of Scotland in Edinburgh." provide a valid answer to the question "What did indigenous people in North America make out of the trunks of conifers?"

A: yes

Does the sentence "In September 1997, during the process of revision of racial categories previously declared by OMB directive no. 15, the American Anthropological Association (AAA) recommended that OMB combine the "race" and "ethnicity" categories into one question to appear as "race/ethnicity" for the 2000 US Census." provide a valid answer to the question "Prior to 1997, where were racial categories declared for the U.S. Census?"

A: yes

Does the sentence "Other 19th-century critics, following Rousseau have accepted this differentiation between higher and lower culture, but have seen the refinement and sophistication of high culture as corrupting and unnatural developments that obscure and distort people's essential nature." provide a valid answer to the question "What was another name used for the corrupted high culture of the indigenous people?"

A:
no