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: Consider Input: Sentence1: Hurricanes have wind speeds of at least 74 mph. 
Sentence2: anemometers can measure hurricanes.

Output: Hurricanes


Input: Consider Input: Sentence1: Chromosomes are the form of the genetic material of a cell during cell division. 
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: cell


Input: Consider Input: Sentence1: Animals and humans eat plants for their nutrients. 
Sentence2: Humans depend on sunlight.


Output: humans