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: Marine dolphins are endangered by fishing nets, speedboats, and pollution. 
Sentence2: dolphins live mainly in shallow coastal waters.
answer:
dolphins


question:
Sentence1: Earthquakes are natural disasters. 
Sentence2: earthquakes can cause animals to leave an environment.
answer:
Earthquakes


question:
Sentence1: Reproduction is the process by which organisms give rise to offspring. 
Sentence2: Reproduction is the process by which organisms give rise to the next generation.
answer:

Reproduction