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: Consider Input: Sentence 1:In many regions of the Mongol territory , Mongol rule is remembered as brutal and destructive . Sentence 2:Yet , some argue that many economic and cultural improvements were made during the Mongol Empire 's rule .

Output: yet

Input: Consider Input: Sentence 1:In 1168 there is the first indication of a free aristocratic ( edelfrei ) line in Berneck with the mention of the Walpote , Uodalrich II . Sentence 2:It can therefore be assumed that there was already a noble seat here at that time .

Output: therefore

Input: Consider Input: Sentence 1:Venjix escaped to Serpentera , which he flew towards Earth . Sentence 2:However , the Red Wild Force Ranger used his Wild Force Rider to reflect Serpentera 's blast back into it .
Output: however