Text: In geometry, the center of curvature of a curve is found at a point that is at a distance from the curve equal to the radius of curvature lying on the normal vector. It is the point at infinity if the curvature is zero. The osculating circle to the curve is centered at the centre of curvature. Cauchy defined the center of curvature C as the intersection point of two infinitely close normal lines to the curve. The locus of centers of curvature for each point on the curve comprise the evolute of the curve. This term is generally used in Physics regarding to study of the lenses.

Question: is radius of curvature same as centre of curvature?

OPTIONS:
- no
- yes
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Answer: no

Text: The Tokyo Skytree, completed in February 2012, reaches a height of 634 m (2,080 ft), making it the tallest tower, and second-tallest free-standing structure in the world.

Question: is tokyo skytree is the tallest tower in the world?

OPTIONS:
- no
- yes
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Answer: yes

Text: The federal courts are composed of three levels of courts. The Supreme Court of the United States is the court of last resort. It is generally an appellate court that operates under discretionary review, which means that the Court can choose which cases to hear, by granting writs of certiorari. There is therefore generally no basic right of appeal that extends automatically all the way to the Supreme Court. In a few situations (like lawsuits between state governments or some cases between the federal government and a state) it sits as a court of original jurisdiction.

Question: is the federal court the same as the supreme court?

OPTIONS:
- no
- yes
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Answer: no

Text: In a 2015 interview, James Frey, the co-author of the series, said that he hoped more movies would be made.

Question: is there a sequel to i am number four film?

OPTIONS:
- no
- yes
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Answer:
no