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 major Atlantic hurricanes start as small disturbances moving westward off Africa. 
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.
[EX A]: Africa

[EX Q]: Sentence1: Any antigen that causes an allergy is called an allergen. 
Sentence2: Antigens are proteins foreign to the body.
[EX A]: antigen

[EX Q]: Sentence1: Pasteurization was discovered by the French scientist, Louis Pasteur. 
Sentence2: A French scientist discovered how to reduce the amount of bacteria in milk.
[EX A]:
French