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:In later conflicts , the United States Army used black soldiers in the Spanish -- American War and in World War I . Sentence 2:However , when the United States Army Air Service was formed , only white people were allowed .

Output: however


Input: Consider Input: Sentence 1:Officially only # 50 has been retired by the Portland Pirates . Sentence 2:However a banner still hangs in the rafters in tribute to the 5 Maine Mariners who had their number retired before moving to Providence .

Output: however


Input: Consider Input: Sentence 1:I have no clear solution to the paradoxes this half testimony , half performance raised . Sentence 2:But describe it as one of many possible ways of dealing with the material .


Output: but