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: Fully cooking oysters kills the bacteria. 
Sentence2: Fully cooking oysters can prevent illness.
[EX A]: Fully

[EX Q]: Sentence1: rain causes erosion. 
Sentence2: Soil Erosion Soil erosion is what happens when soil is washed or blown away.
[EX A]: erosion

[EX Q]: Sentence1: Endocrine hormones travel throughout the body in the blood. 
Sentence2: Nearly every body function is controlled by hormones that travel through the blood.
[EX A]:
blood