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.

[Q]: Sentence 1:I never thought that I would have to change that view . Sentence 2:But at last I saw that if I wished to do good to my nation , I would have to do it by wise thinking and not so much fighting .
[A]: but


[Q]: Sentence 1:By measuring the thickness of individual rings , it has been assumed ( at least in some species ) to estimate fish growth because fish growth is directly proportional to otolith growth . Sentence 2:However , some studies disprove a direct link between body growth and otolith growth .
[A]: however


[Q]: Sentence 1:After releasing the clamp the GPV ring begins to rise up ( increasing its radius , and accordingly , the diameter ) . Sentence 2:Thus , the hydraulic cylinders and gaps between the segments allow the formation to increase its length .
[A]:
thus