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: Distance is measured in meters the SI unit of distance. 
Sentence2: The SI unit of distance is in meters.
answer:
SI


question:
Sentence1: a camera is used for recording images. 
Sentence2: a camera is used for recording binary.
answer:
camera


question:
Sentence1: Gene flow occurs when individuals move into or out of a population. 
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.
answer:

individuals