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: Cells are programmed to divide only a set number of times. 
Sentence2: Cells reproduce asexually, by dividing.
[EX A]: divide

[EX Q]: Sentence1: an animal requires nutrients to grow and heal. 
Sentence2: Microbes can help an animal to grow and heal.
[EX A]: grow

[EX Q]: Sentence1: Electric motors convert electrical energy into mechanical energy. 
Sentence2: electric motors and stoves transform electricity.
[EX A]:
motors