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: Consider Input: Sentence 1:The race began as a fight between Chiarelli and Munter , with Munter getting the edge and 2003 candidate Terry Kilrea in a close third . Sentence 2:However , in the summer O'Brien joined the campaign , prompting Kilrea to drop out and endorse Chiarelli .

Output: however

Input: Consider Input: Sentence 1:On the other hand , it results in the attacker having a piece less to play with , with the defender 's partner having a piece more . Sentence 2:Sacrifices therefore give the partner of the defender an opportunity to take initiative .

Output: therefore

Input: Consider Input: Sentence 1:The Soviet press on occasion criticized the campaign for senseless destruction of the built heritage of the country , such as the dynamiting of the Ufa Cathedral in 1956 . Sentence 2:However , rarely did the brutality of the persecutions themselves find criticism in this time period .
Output: however