In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

[EX Q]: when did classification of races begin, Answer: First used to denote national affiliations, the term began to be used to relate to physical traits in the 17th century.
[EX A]: Yes

[EX Q]: how many episodes of Lost were there, Answer: A total of 121 episodes of Lost were produced, the last of which aired on May 23, 2010.
[EX A]: Yes

[EX Q]: what is a PCI port used for, Answer: Conventional PCI (PCI is an initialism formed from Peripheral Component Interconnect, part of the PCI Local Bus standard and often shortened to just PCI) is a local computer bus for attaching hardware devices in a computer .
[EX A]:
Yes