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: eating something that contains pollutants has a negative impact on an organism 's survival. 
Sentence2: Eating something that contains pollutants can kill directly and selectively.

that