instruction:
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.
question:
Sentence1: when a river floods , that river deposits soil in flood plains. 
Sentence2: Hurricanes can cause local flooding, flash flooding, or coastal flooding.
answer:
flood


question:
Sentence1: protein is used to repair cells by the human body. 
Sentence2: Wound healing requires protein.
answer:
protein


question:
Sentence1: Basically the process is pretty simple. 
Sentence2: All cells share some of the same structures and simple processes.
answer:

process