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: June Summer Triangle Three bright stars light up the summer sky. 
Sentence2: Nuclear reactions in stars cause them to brighten up the summer sky.
[EX A]: bright

[EX Q]: Sentence1: Coral reefs provide food and shelter to many ocean organisms. 
Sentence2: Coral Reefs Coral reefs are threatened.
[EX A]: Coral

[EX Q]: Sentence1: electrocution causes harm to an organism. 
Sentence2: Electrocution deaths as a result of a horse chewing on an electrical cord are fairly common.
[EX A]:
electrocution