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: Another symbolic object is the badge on the hat of Dinteville. 
Sentence2: if two balanced forces act on an badge in opposite directions then that badge will remain stationary.

badge