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: Habitat loss and hunting are the two major causes for their declining populations. 
Sentence2: Habitat loss and hunting can cause harm to an animal species.

Habitat