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.

[EX Q]: Sentence1: Translation reads the genetic code in mRNA and makes a protein. 
Sentence2: Nucleotide sequences are read in mRNA and a protein is made.
[EX A]: mRNA

[EX Q]: Sentence1: Absorption of nutrients occurs mainly in the small intestine. 
Sentence2: The small intestine is the main place where food absorption occurs.
[EX A]: intestine

[EX Q]: Sentence1: Boreal and temperate species have generally survived by migrating. 
Sentence2: earth's magnetic patterns ensure boreal species survival.
[EX A]:
Boreal