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: Mangoes are propagated vegetatively and by seeds. 
Sentence2: animals propagate mangoes.
[A]: Mangoes


[Q]: Sentence1: Mitosis is cell division. 
Sentence2: mitosis often causes growth.
[A]: Mitosis


[Q]: Sentence1: Acids and bases are electrolytes. 
Sentence2: Cells secrete electrolytes to maintain the proper pH for enzymes to work.
[A]:
electrolytes