instruction:
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.
question:
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 .
answer:
however


question:
Sentence 1:The Saar Polygon is designed to have a different shape depending on the direction it is viewed such as a rectangular arch , a triangle , an inverted triangle , and an hourglass . Sentence 2:Furthermore , it resembles the structures that are used in mines for support .
answer:
furthermore


question:
Sentence 1:The vineyards survived Prohibition in the United States by producing grapes for the production of sacramental wine . Sentence 2:However , by 1940 , the vineyards and winery building fell into disuse .
answer:

however