Q: Does "It helped to install natural history as a separate field, gave base for ecology and was based on the role model of scientist, naturalist and explorer Alexander von Humboldt." provide a valid answer to "What idea did positivism provide?"?
A: no

Q: Does "Also, an expansion of Interstate 15 through the North County is underway with the addition of high-occupancy-vehicle (HOV) "managed lanes"." provide a valid answer to "What type of special lanes were added to Interstate 15?"?
A: yes

Q: Does "After killing Stilwell, Wyatt deputized others and rode on a vendetta, killing three more cowboys over the next few days before leaving the state." provide a valid answer to "Who killed Brazelton?"?
A: no

Q: Does "In the late nineteenth century, two black Congressmen were elected from North Carolina's 2nd district, the last in 1898." provide a valid answer to "What district were the congressmen in 1898 from?"?
A:
yes