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.

[EX Q]: Sentence1: Petals attract pollinators to the flower. 
Sentence2: Something a daisy has attracts pollinators.
[EX A]: attract

[EX Q]: Sentence1: sonar is used to find the location of an object. 
Sentence2: Surface ships use sonar to locate and track submarines.
[EX A]: location

[EX Q]: Sentence1: Adult sponges produce eggs and sperm. 
Sentence2: Sperm and eggs are cells known as gametes.
[EX A]:
eggs