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: Lipids may consist of fatty acids alone, or they may contain other molecules as well. 
Sentence2: Bacteria are capable of growth on fatty acids and lipids.

Lipids