Detailed Instructions: 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.
Q: it is the established convention of the scientific community to define the vitreous electrification as positive , and the resinous electrification as negative.
A:
it is the convention of the scientific community to define vitreous electrification as positive , and resinous electrification as negative.