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 Q]: Sentence 1:The New York Times had shrunk to almost nothing by the 1890s . Sentence 2:However , after its purchase by Adolph Ochs of Knoxville , Tennessee , in 1896 , it reached an upscale audience with unbiased and detailed news .
[EX A]: however

[EX Q]: Sentence 1:Fouling is ubiquitous and generates tremendous operational losses , not unlike corrosion . Sentence 2:For example , one estimate puts the losses due to fouling of heat exchangers in industrialized nations to be about 0.25 % of their GDP .
[EX A]: for example

[EX Q]: Sentence 1:Antonio McKee was originally scheduled to defend his lightweight title against Drew Fickett . Sentence 2:However , McKee was forced to withdraw from the bout and was replaced by UFC veteran Matt Veach .
[EX A]:
however