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: Petals attract pollinators to the flower. 
Sentence2: Something a daisy has attracts pollinators.
answer:
attract


question:
Sentence1: bacteria can cause people to become ill. 
Sentence2: bacteria can cause people to die.
answer:
bacteria


question:
Sentence1: Fish have a centralized nervous system with a brain. 
Sentence2: Nervous A reptile has a brain and nervous system.
answer:

nervous