Does the sentence "Alexandre Colonna-Walewski (18101868), the son of his mistress Maria Walewska, although acknowledged by Walewska's husband, was also widely known to be his child, and the DNA of his direct male descendant has been used to help confirm Napoleon's Y-chromosome haplotype." provide a valid answer to the question "DNA from Alexandre Colonna-Walewski's descendants has been used to confirm what attribute of Napoleon's?"

A: yes

Does the sentence "This is compared to a national marriage average among college graduates of 11 percent." provide a valid answer to the question "What is the national marriage average among college graduates?"

A: yes

Does the sentence "The red part of the flag was also chosen to attract attention - Hitler wrote: "the new flag ... should prove effective as a large poster" because "in hundreds of thousands of cases a really striking emblem may be the first cause of awakening interest in a movement." provide a valid answer to the question "What did red white and black become associated with in Germany?"

A: no

Does the sentence "In 1946, the company hired its first black salesman, 18 years before the Civil Rights Act of 1964." provide a valid answer to the question "IBM employees created a magazine in 1935, what was its name?"

A:
no