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.
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Question: Sentence1: when a body of water receives more water than it can hold , a flood occurs. 
Sentence2: Floods are deadly, floods are devastating.

Answer: flood


Question: Sentence1: mountains are formed by earthquakes. 
Sentence2: Mountains are formed by moving plates.

Answer: are


Question: Sentence1: Jaws make cartilaginous fish excellent predators. 
Sentence2: Sharks are excellent predators thanks to their jaws.

Answer:
Jaws