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: Exospores and endospores are produced by some members of the cyanobacteria. 
Sentence2: cyanobacteria are commonly found in soil and water.

cyanobacteria