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:Most of PCPD pump failures are due to this elastomer part . Sentence 2:However , the operating conditions and environment should not degrade or induce mechanical failure of the elastomer part for the life of the equipment .
Example Output: however

Example Input: Sentence 1:In the original Fox press release , Peter Wolf and Harry Hamlin were announced as guest stars for this episode . Sentence 2:However , neither of them made an appearance in the broadcast version .
Example Output: however

Example Input: Sentence 1:However , one may not enjoy membership of both entities at once . Sentence 2:For example , the No. 1 ranked barrister in seniority in 2007 , Sir John Swaine SC , switched to become a solicitor in 2002 , but switched back in 2004 .
Example Output:
for example