Definition: 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.
Input: Sentence1: Hormones control many cell activities, so they are very important for homeostasis. 
Sentence2: Hormones control many cell activities, so they are very important for the chemical equilibrium of the body.

cell