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: Autotrophs are organisms that can make their own food. 
Sentence2: An autotroph is a producer that can produce food for itself.

Autotrophs