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: dew is formed when water vapor condenses over night. 
Sentence2: dew is formed when cooling  over night.
answer:
dew


question:
Sentence1: nectar is used for attracting pollinators by plants. 
Sentence2: butterflies pollinate plants.
answer:
plants


question:
Sentence1: infection can cause bodily tissues to swell. 
Sentence2: Bacteria can cause bodily tissues to swell.
answer:

bodily