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]: how an oil rig works, Answer: Oil Platform P-51 off the Brazilian coast is a semi-submersible platform .
[EX A]: No

[EX Q]: who owned kansas before it became a state, Answer: It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area.
[EX A]: Yes

[EX Q]: how long was richard nixon a president, Answer: He subsequently served in the United States Navy during World War II .
[EX A]:
No