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, on the other hand, looks at long-term averages of weather conditions. 
Sentence2: Climate looks at long-term averages in an area over a long period of time.

long-term