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:basically listening to Dinah Washington , Billie Holiday , and Frank Sinatra . Sentence 2:But also a lot of piano players , such as Bill Evans , Oscar Peterson and Erroll Garner , those were my mother 's favorites .
Example Output: but

Example Input: Sentence 1:In performance he and his wife ( Robin Bryan ) form the duo Body & Soul . Sentence 2:Additionally he together with : Nelson Hill , Tom Kozic , Craig Kastelnik , and Gary Rissmiller form the quintet CO-OP BOP .
Example Output: additionally

Example Input: Sentence 1:All trace of that entrance has vanished , for the whole southwestern section of the walls underwent many extensive alterations over the centuries . Sentence 2:However , that stretch of wall appeared in a print produced in the 18th century .
Example Output:
however