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: Most soil nutrients are cations. 
Sentence2: decomposition increases the amount of cations in the soil.
answer:
cations


question:
Sentence1: Excretion is the process of removing wastes and excess water from the body. 
Sentence2: parasites remove waste from their bodies.
answer:
wastes


question:
Sentence1: Science is the study of the natural world through experience and experiment. 
Sentence2: science is often done in a lab.
answer:

Science