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: Hagfish are noted for secreting large amounts of thick, slimy mucus. 
Sentence2: Some jawless fish secrete large amounts of thick, slimy mucus.

mucus