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.
--------
Question: Sentence1: Genetics is the study and application of principles of inheritance to plants and animals . 
Sentence2: Pedigrees are useful tools for studying Genetics.

Answer: Genetics


Question: Sentence1: Insect wings are attached to the dorsal side of their thorax. 
Sentence2: wings are attached to the dorsal side of the insect.

Answer: dorsal


Question: Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival. 
Sentence2: Naturally Organic foods are grown without the aid of unsafe and polluting chemicals.

Answer:
pollutants