Definition: In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.
Input: Sentence 1:Most changes are minor , adding or removing only a few base pairs of DNA . Sentence 2:For example , the WS202 release of WormBase ( April 2009 ) added two base pairs to the genome sequence .
Output:
for example