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.

Example input: Sentence 1:A suicide car bomber detonated his bomb as he attempted to drive an SUV into a Somali military camp . Sentence 2:However the vehicle exploded at the entrance when police guards opened fire on the insurgent driving the vehicle .
Example output: however
Example explanation: The above sentence is connected by the word 'however'.
Q: Sentence 1:More specialized forms of semantic networks has been created for specific use . Sentence 2:For example , in 2008 , Fawsy Bendeck 's PhD thesis formalized the Semantic Similarity Network ( SSN ) that contains specialized relationships and propagation algorithms to simplify the semantic similarity representation and calculations .
A:
for example