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.

[EX Q]: Sentence1: Carpools and vanpools can save time. 
Sentence2: vanpools decrease the amount of cars used to travel to a place.
[EX A]: vanpools

[EX Q]: Sentence1: the digestive system breaks food into nutrients for the body. 
Sentence2: Meat is a nutrient-dense food.
[EX A]: food

[EX Q]: Sentence1: Producers make food from inorganic molecules. 
Sentence2: Among the small inorganic molecules which are economically attractive are CO and H 2 .
[EX A]:
inorganic