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.
Problem:captive longevity is 20 to 30 years , with rare accounts of over 40 years , reports of a individual living to 40 years in philadelphia zoo.
Solution:
captive life expectancy is usually 20 to 30 years . however an individual lived to 40 in the philadelphia z.