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:The poem is generally attributed to Anne Boleyn , and is assumed to have been composed whilst she was imprisoned in the Tower of London . Sentence 2:However , the evidence for her authorship is n't entirely conclusive .

Answer: however


Question: Sentence 1:On the overground parts of the network trams drive at sight , while the underground premetro sections have block signalling . Sentence 2:However drivers do not need to check in and out of the signalled section as on the Muni system in San Francisco .

Answer: however


Question: Sentence 1:No merit awards or athletic scholarships are offered by Pomona . Sentence 2:Furthermore , need based financial aid is not available to international transfer applicants .

Answer:
furthermore