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: Food and water shortages can only lead to diseases and many sick people and sick animals. 
Sentence2: If the body goes without its requirements a person will eventually get sick after a few days.

sick