Definition: Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.
Input: Sentence1: Climate is the average weather in an area over a long period of time. 
Sentence2: Climate is the average of things like rain or sun shine  in an area over a long period of time.

area