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.

[Q]: Sentence1: Information on DNA is organized into genes. 
Sentence2: DNA codes for proteins.
[A]: DNA


[Q]: Sentence1: Minerals are chemical elements that are essential for body processes. 
Sentence2: minerals are needed by body processes.
[A]: processes


[Q]: Sentence1: Acid snow kills aquatic insects, amphibians and trout. 
Sentence2: Acid snow kills important predators.
[A]:
Acid