In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Q: Sometimes it is expected that the trill will end with a turn ( by sounding the note below rather than the note above the principal note , immediately before the last sounding of the principal note ) , or some other variation .

A: Sometimes the trill ends with a turn ( the note above , the main note , the note below , the main note ) .
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Q: The Palace of Whitehall ( or Palace of White Hall ) at Westminster , Middlesex , was the main residence of the English monarchs from 1530 until 1698 , when most of its structures , except for Inigo Jones 's Banqueting House of 1622 , were destroyed by fire .

A: The Palace of Whitehall was the main home of the English kings and queens in London , from 1530 until 1698 , when all except Inigo Jones 's 1622 Banqueting House was destroyed by fire .
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Q: Schrock 's work is ongoing with goals of furthering the understanding of metathesis selectivity , developing new catalyst architectures , as well as projects outside of metathesis , such as elucidating the mechanism of dinitrogen fixation and developing single molecule catalysts which form ammonia from dinitrogen , mimicking the activity of nitrogenase enzymes in biology .

A:
Professor Schrock 's work is continuing with metathesis as well as projects such as dinitrogen fixation and single molecule catalysts which make ammonia from dinitrogen , similar to nitrogenase enzymes in biology .
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