In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
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Question: these doppelgängers are typically , but not always , evil in some way.

Answer: these doppelgängers are generally , but not always , evil in some w.


Question: a historian has stated that " it was quinine 's efficacy that gave colonists fresh opportunities to swarm into the gold coast , nigeria and other parts of west africa ".

Answer: a historian said , " it was quinine 's efficacy that gave colonists fresh opportunities to swarm into the gold coast , nigeria , and other parts of west africa ..


Question: the string can vibrate in different modes just as a guitar string can produce different notes , and every mode appears as a different particle : electron , photon , gluon , etc.

Answer:
the string can vibrate as a guitar string and produces different notes.