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 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 .

Ex Output:
yet


Ex Input:
Sentence 1:The poem is generally attributed to Anne Boleyn , and is assumed to have been composed whilst she was imprisoned in the Tower of London . Sentence 2:However , the evidence for her authorship is n't entirely conclusive .

Ex Output:
however


Ex Input:
Sentence 1:The commission later recommended that St Paul 's should become the mother church . Sentence 2:However , Nevill favoured St. Matthew 's Church , Dunedin , and the impasse remained .

Ex Output:

however