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: Organisms that live in marine biomes must be adapted to the salt in the water. 
Sentence2: Estuaries display characteristics of both marine and freshwater biomes.

biomes