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: Protein Protein is needed for tissue maintenance and repair. 
Sentence2: protein repairs cells.
answer:
Protein


question:
Sentence1: Coral reefs provide food and shelter to many ocean organisms. 
Sentence2: Coral Reefs Coral reefs are threatened.
answer:
Coral


question:
Sentence1: Asexual reproduction is by fragmentation, budding, or fission. 
Sentence2: Asexual reproduction is when an animal divides into two parts.
answer:

Asexual