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: hunting requires seeing prey. 
Sentence2: hunting requires seeing an animal.
answer:
hunting


question:
Sentence1: folding an object causes that object to change shape. 
Sentence2: Folding an object causes that object to transform.
answer:
causes


question:
Sentence1: All distances are in meters , by the way. 
Sentence2: a meter stick measures meters.
answer:

meters