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: Objects displace their volume in a fluid. 
Sentence2: The amount that a fluid is displaced by an object can describe the size of the object.

displace