instruction:
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.
question:
Sentence1: After a seed is planted it is watered. 
Sentence2: seeds need water.
answer:
seed


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: insect bites cause harm to living things. 
Sentence2: Poisoning is one type of harm to living things.
answer:

harm