Q: Does "Between 1783 and 1913, approximately 57 million refugees flooded into the Ottoman Empire, at least 3.8 million of whom were from Russia." provide a valid answer to "How many refugees fled Russia to the Ottoman Empire from 1783 to 1913?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "In 1838, there was a flurry of entrepreneurial activity involving asphalt/bitumen, which had uses beyond paving." provide a valid answer to "For what reason was asphalt used in the flooring of buildings?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Nearly two billion people in the developing world are deficient in zinc." provide a valid answer to "Why shouldn't zinc be given alone to those with several deficiencies?"?
OPTIONS:
- yes
- no
A: no

Q: Does "In some cases, white fathers provided for their multiracial children, paying or arranging for education or apprenticeships and freeing them, particularly during the two decades following the American Revolution." provide a valid answer to "What did white fathers do after the American Revolution to provide for mixed children?"?
OPTIONS:
- yes
- no
A:
yes