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: healing requires rest. 
Sentence2: healing requires time.
answer:
healing


question:
Sentence1: Scyphozoans are the next group of Cnidarians, and they are the familiar jellyfish. 
Sentence2: Scyphozoans are aquatic organisms.
answer:
Scyphozoans


question:
Sentence1: Testosterone stimulates the reproductive organs to develop into male organs. 
Sentence2: Testicles are male reproductive organs.
answer:

male