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: During the day, the earth is heated up by the sun. 
Sentence2: During the day, water evaporates more quickly than it does at night.

During