Q: Does "Blacks of both Hispanic and non-Hispanic origin represented over one-third (35.4%) of the Bronx's population." provide a valid answer to "How many people in the Bronx are black (not including Hispanic)?"?
A: no

Q: Does "Feynman said he was persuaded to join this effort to build it before Nazi Germany developed their own bomb." provide a valid answer to "Who had previously worked on fission bomb yields before Feynman?"?
A: no

Q: Does "Other characteristics Lee and DeVore proposed were flux in territorial boundaries as well as in demographic composition." provide a valid answer to "What other characteristic is variable for these groups?"?
A: yes

Q: Does "Agricultural protectionisma rare exception to Switzerland's free trade policieshas contributed to high food prices." provide a valid answer to "What is Switzerland's world ranking in domestic purchasing power?"?
A:
no