Instructions: 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.
Input: Sentence 1:In the colonial era scholarship , Vikrama - samvat was believed to be based on the commemoration of King Vikramaditya expelling the Sakas from Ujjain . Sentence 2:However , later epigraphical evidence and scholarship suggests that this theory has no historical basis and very likely was an error .
Output:
however