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: Precipitation falls on the windward side of the mountain range. 
Sentence2: Sheep tend to favour the windward side of a paddock.

Answer: windward


Question: Sentence1: Most bryophytes are small. 
Sentence2: Most in the same group as mosses are small.

Answer: small


Question: Sentence1: a telephone is used for communication by humans over long distances. 
Sentence2: Communicating is as much about listening as it is about talking.

Answer:
communication