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.
Input: sir james chadwick , ch , frs -lrb- 20 october 1891 24 july 1974 -rrb- was an english physicist and nobel laureate in physics awarded for his discovery of the neutron.
Output:
sir james chadwick , ch , frs -lrb- 20 october 1891 24 july 1974 -rrb- was an english physicist who won a nobel prize in physics for discovering the neutron.