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.

Sentence 1:This is known as the sidereal month . Sentence 2:However , during one sidereal month , Earth has revolved part way around the Sun , making the average time between one new moon and the next longer than the sidereal month : it is approximately 29.5 days .
however

Sentence 1:The first production aircraft , 80 - 10785 was ready for its first flight on 20 April 1982 . Sentence 2:However , unbeknownst to anyone , the fly - by - wire system had been hooked up incorrectly ( pitch was yaw and vice versa ) .
however

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 .
however