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: Mitosis is cell division. 
Sentence2: mitosis often causes growth.
answer:
Mitosis


question:
Sentence1: soil is formed by weathering. 
Sentence2: Something described as loamy is formed by weathering.
answer:
formed


question:
Sentence1: Ozone depletion results in higher levels of UV radiation reaching Earth. 
Sentence2: Ozone depletion results in higher levels of DNA damage and mutations.
answer:

Ozone