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: Most water comes from precipitation. 
Sentence2: aquatic animals require precipitation to survive.
answer:
precipitation


question:
Sentence1: Germination depends on the seed coat. 
Sentence2: the force of water causes germination with the emergence of a root.
answer:
Germination


question:
Sentence1: Fresh foods cause hives more often than cooked foods. 
Sentence2: keeping food cold can cause hives.
answer:

cause