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: decomposition increases amount of organic matter in soil. 
Sentence2: Plant respiration and decomposition of dead plant life consume dissolved oxygen in the water.

decomposition