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: Most mammals have hair, or fur, covering their body. 
Sentence2: Most mammals have a body covering for keeping warm.
[EX A]: body

[EX Q]: Sentence1: if an object is kicked then force is exerted on that object. 
Sentence2: if an object is kicked then a measurement of newtons is exerted on that object.
[EX A]: exerted

[EX Q]: Sentence1: Condensation is water from the air. 
Sentence2: water from the air is when it changes from gas into a liquid by reducing heat energy.
[EX A]:
air