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: if heat is conducted to an object then that object will become hot. 
Sentence2: if heat is conducted to an object that object will emit more energy.

heat