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: Producers make food from inorganic molecules. 
Sentence2: Decomposition is the breakdown of organic molecules into inorganic molecules.
[EX A]: inorganic

[EX Q]: Sentence1: Veins generally carry deoxygenated blood. 
Sentence2: Blood carries blood cells.
[EX A]: blood

[EX Q]: Sentence1: For that, the player needs lumberjacks to cut down the trees. 
Sentence2: Creating wood-free paper does not require lumberjacks.
[EX A]:
lumberjacks