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: Plants live just about everywhere on Earth. 
Sentence2: epiphytes live everywhere on earth.

Answer: everywhere


Question: Sentence1: wiring requires an electrical conductor. 
Sentence2: Gold is an excellent conductor of electricity.

Answer: conductor


Question: Sentence1: Chemical weathering is the chemical disintigration of rocks. 
Sentence2: The chemical disintegration of rocks causes iron in rock to oxidize.

Answer:
chemical