Problem: There is always elastic dispersion of light , with the outgoing light frequency identical to the incoming frequency formula 1 .
There is always elastic light scattering , with the outgoing light frequency identical to the incoming frequency formula _ 1 .
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A: yes

Problem: Then Scott and Short traveled overland to the Kentucky River to claim the land that they would investigate later .
Scott and Short then traveled overland to the Kentucky River to investigate the land that they would claim later .
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A: no

Problem: On 7 September 2011 , the Blue House officially scrapped plans for a rich tax deduction , marking the fundamental end of Mbnomics .
On 7 September 2011 , the Blue House officially scrapped plans for a rich tax deduction , marking the foundational end of Mbnomics .
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A:
yes