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.

Q: Sentence1: Marine dolphins are endangered by fishing nets, speedboats, and pollution. 
Sentence2: dolphins live mainly in shallow coastal waters.

A: dolphins
****
Q: Sentence1: Petals attract pollinators to the flower. 
Sentence2: Something a daisy has attracts pollinators.

A: attract
****
Q: Sentence1: By burning natural gas, the plants produce minimal emissions of sulfur dioxide and particulates. 
Sentence2: Smog also contains sulfur dioxide.

A:
dioxide
****