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: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms. 
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

soil