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.

Ex Input:
Sentence 1:In Kalimantan Island , the proven reserves are in Barito , Kutei , Tarakan , Melawi , and Ketungau . Sentence 2:Whereas , in Sulawesi Island , there is only one proven reserve , which is Sengkang .

Ex Output:
whereas

Ex Input:
Sentence 1:There is an art studio , computer lab , music room , science lab and library . Sentence 2:Additionally , there are support spaces for tutoring and counseling , as well as a large playground .

Ex Output:
additionally

Ex Input:
Sentence 1:It used to attract many visitors . Sentence 2:However , with time things have deteriorated now .

Ex Output:
however