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.
Q: 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 .
A:
whereas