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.

Q: Sentence1: Distance is measured in meters the SI unit of distance. 
Sentence2: The SI unit of distance is in meters.

A: SI
****
Q: Sentence1: wind is used for producing electricity. 
Sentence2: Winds are caused by pressure differences.

A: wind
****
Q: Sentence1: crumple means change shape from smooth into compacted by physical force. 
Sentence2: Physical abuse is physical force or violence that results in bodily injury, pain, or impairment.

A:
force
****