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: Rainy clouds cause rain, and excess water vapor from clouds is the basis of rainbows. 
Sentence2: Condensation can lead to rain.
answer:
rain


question:
Sentence1: Many nerve pathways link the cerebellum with motor neurons throughout the body. 
Sentence2: Motor neurons extend from the brain to the spinal cord and to muscles throughout the body.
answer:

motor