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:This principle ( or , theorem ) can be generalized . Sentence 2:Thus , let us consider a system S in the form of a closed domain of finite volume in the Euclidean space .

Output: thus


Input: Consider Input: Sentence 1:He preferred negotiation and dialogue to senseless massacre , and he and Tancred tried to protect some of the Muslims of Jerusalem by sheltering them in the Temple . Sentence 2:However , these Muslims too were soon killed by other crusaders , enfuriating Gaston and Tancred .

Output: however


Input: Consider Input: Sentence 1:Until the early 20th century this patois prevailed . Sentence 2:Therefore , French language progressive penetration into local culture should not only be analysed as a result of the industrialisation and urbanisation of the area but should also be considered in terms of public education policies .


Output: therefore