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:On the opening day they beat FC Utrecht 3 -- 1 to kick off a good start to the campaign . Sentence 2:However the club failed to qualify for the group stages of the Europa League after they lost 2 -- 1 to AA Gent on aggregate .

Ex Output:
however


Ex Input:
Sentence 1:Both peptides are known to specifically block the Kv3. 4 potassium channel , and thus bring about a decrease in blood pressure . Sentence 2:Moreover , they inhibit the cytopathic effects of mouse hepatitis virus strain MHV - A59 on mouse liver cells , by an unknown mechanism .

Ex Output:
moreover


Ex Input:
Sentence 1:After the strike was settled , he began an affair with Helen Rosenthal , which ultimately led to the end of Helen 's fourth marriage . Sentence 2:However , Richard would later move in with Helen and her children .

Ex Output:

however