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: Crops are plants that are grown for food or other uses. 
Sentence2: insects destroy plants.
answer:
plants


question:
Sentence1: decomposition increases the amount of nutrients in the soil. 
Sentence2: decomposition increases the amount of cations.
answer:
amount


question:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings. 
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.
answer:

causes