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: dew is formed when water vapor condenses over night. 
Sentence2: Condensing is a gas turning into a liquid.

Answer: condenses


Question: Sentence1: Instead, the body is covered with a protective shell of bony armor. 
Sentence2: Most mollusks have protective of bony armor.

Answer: armor


Question: Sentence1: Puberty is the period during which humans become sexually mature. 
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Answer:
mature