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: If there is enough moisture in the clouds, rain is produced. 
Sentence2: Clouds lacking water reduces rainfall.
[EX A]: clouds

[EX Q]: Sentence1: Damage is intensified by moisture stress during drought. 
Sentence2: low amounts of rainfall intensify damage during drought.
[EX A]: Damage

[EX Q]: Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure . 
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..
[EX A]:
Damage