Given a sentence in Japanese, provide an equivalent paraphrased translation in English that retains the same meaning both through the translation and the paraphrase.

[Q]: 20162Daniel PollackPaul Singer
[A]: Daniel Pollack announced in February 2016 that Argentina had reached an agreement with Paul Singer .

[Q]: 201769Vitaliy LevchenkoKrylia SovetovBarkchiMubin Ergashev
[A]: On 9 June 2017 , Barkchi Mubin Ergashev appointed her manager after Vitaliy Levchenko joined the Krylia Sovetov coaching staff .

[Q]:
[A]:
Microscopically , the optical polarization arises from quantum mechanical transitions between different states of the material system .