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.

Sentence1: All sharks are predators. 
Sentence2: hiding can be used for avoiding sharks.
sharks

Sentence1: Infection is what ultimately leads to death. 
Sentence2: scraping oneself on a contaminated object may cause death.
death

Sentence1: chemical splashing can cause harm to humans. 
Sentence2: Chemical splash goggles are advised.

chemical