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.
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Question: Sentence 1:Extraction of rather small amounts of U-234 from natural uranium would be feasible using isotope separation , similar to that used for regular uranium - enrichment . Sentence 2:However , there is no real demand in chemistry , physics , or engineering for isolating U-234 .

Answer: however


Question: Sentence 1:The elaborate stage show created a false impression that the band was a novelty act . Sentence 2:But , as a songwriter , Georgeson was easily the equal of any of his Britpop contemporaries .

Answer: but


Question: Sentence 1:No major threats to the long - term survival of the species are known . Sentence 2:In fact , the springbok is one of the few antelope species with a positive population trend .

Answer:
in fact