Select from the following.
A). No.
B). Yes.

I am verifying the answers generated by an automatic system to the following question: What is the cultural background of blues Suggested answer: Though the use of the phrase in African-American music may be older, it has been attested to since 1912, when Hart Wand 's " Dallas Blues " became the first copyrighted blues composition. Should I validate this answer?
Answer:
A).