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: electric devices require electrical energy to function. 
Sentence2: Lie detectors are electrical or mechanical devices.
[EX A]: devices

[EX Q]: Sentence1: An intense bright light produces a glare. 
Sentence2: Nuclear reactions in stars cause stars to produce bright glares.
[EX A]: bright

[EX Q]: Sentence1: Fertilization stimulates the growth of plankton algae. 
Sentence2: Fertilization helps feed bivalves.
[EX A]:
Fertilization

