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:AFIS is not internationally regulated like Air traffic control is by ICAO . Sentence 2:However Eurocontrol have issued a recommendation called Eurocontrol manual for AFIS .

Output: however

Input: Consider Input: Sentence 1:Then , at another level , a standard spinal is performed . Sentence 2:Finally , the epidural catheter is threaded through the Tuohy needle .

Output: finally

Input: Consider Input: Sentence 1:Her experience received national publicity , questioning the methods which TSA forces upon those least likely to be security threats . Sentence 2:Similarly , Kentucky U.S. Senator Rand Paul missed a flight after he refused to undergo a pat down after an anomaly was spotted during a TSA body scan .
Output: similarly