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.

Example Input: Sentence 1:This principle ( or , theorem ) can be generalized . Sentence 2:Thus , let us consider a system S in the form of a closed domain of finite volume in the Euclidean space .
Example Output: thus

Example Input: Sentence 1:Billy Taylor and Don Gallinger , now middle - aged , were finally forgiven for their gambling in 1948 and were reinstated to the NHL . Sentence 2:However , they did not return to the NHL .
Example Output: however

Example Input: Sentence 1:BBCU moved in the Rajamangala Stadium , vacating the Thai Army Sports Stadium that was shared with Army United . Sentence 2:However BBCU did use Muangthong United 's SCG Stadium for the match with Chiangrai United due to the Rajamangala Stadium being unavailable
Example Output:
however