instruction:
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.
question:
Sentence1: if an organism becomes too hot then that organism may die. 
Sentence2: if an organism overheats then that organism may die.
answer:
die


question:
Sentence1: Skin color is another polygenic trait. 
Sentence2: Skin color is influenced by multiple genes.
answer:
Skin


question:
Sentence1: Smog contains particulates. 
Sentence2: Smog contains sulfur.
answer:

Smog