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: With a spatula, fold in flour mixture. 
Sentence2: a sifter is used for separating flour.
answer:
flour


question:
Sentence1: For example, in the sentence The rain destroyed the crops , The rain is the subject. 
Sentence2: If weather is stormy then there is a chance of destroyed crops.
answer:
crops


question:
Sentence1: dropping an object into water causes vibrations in the water. 
Sentence2: Water, for example, is a liquid.
answer:

water