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: Boiling water can cause burns. 
Sentence2: heating water can cause burns.
answer:
water


question:
Sentence1: Conventional myosin is required for cytokinesis . 
Sentence2: Conventional myosin is required for the final stage of cell division.
answer:
Conventional


question:
Sentence1: Wetlands are extremely important biomes. 
Sentence2: Marshes and swamps are extremely important biomes.
answer:

biomes