Does "In principle, the Planck constant could be determined by examining the spectrum of a black-body radiator or the kinetic energy of photoelectrons, and this is how its value was first calculated in the early twentieth century." contain the correct answer to "How was the Planck constant calculated in the early 20th century?"
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A: yes

question: OPTIONS:
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The foundation has since expanded to work with other charities in the city, and also provided relief following Hurricane Ike three years later.
What foundation did Beyonce start after Hurricane Katrina?

answer: no

[Q]: Sentence: Manhattan's skyline, with its many skyscrapers, is universally recognized, and the city has been home to several of the tallest buildings in the world. Question: NYC has the highest quantity of skyscrapers after which other world city? OPTIONS:
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++++++++++
[A]: no

Q: Does "A further step can be taken by looking at the map's dimensions of the emotional experiences." provide a valid answer to "What do psychologists use to visually map emotional experiences?"?
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A: no

Problem: Does "Britain was left essentially bankrupt, with insolvency only averted in 1946 after the negotiation of a $US 4.33 billion loan (US$56 billion in 2012) from the United States, the last instalment of which was repaid in 2006." answer the question "When did the US make a large loan to Britain?" OPTIONS:
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A: yes

Does "Often, higher efficiency will mean lower color rendering, presenting a trade-off between the luminous efficacy and color rendering." contain the correct answer to "What type has the best luminous efficacy?"
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- no

A:
no