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.

Example Input: Sentence 1:This is supported by the fact that VLDLR is primarily expressed in the cortical plate adjacent to reelin - expressing cells , Cajal -- Retzius cells , and in the intermediate zone . Sentence 2:However , definitive evidence has not yet been found .
Example Output: however

Example Input: Sentence 1:The number of white stars will correspond to the number of provinces in Ecuador . Sentence 2:However , this flag is identical to Venezuela 's flag from 1905 until 1930 , and similar to Venezuela 's current flag ( the stars are now in a semi circle pattern ) .
Example Output: however

Example Input: Sentence 1:Whereas , ad valorem tax appeals can often be made at a local level without any professional help , special assessment appeals often require the assistance of attorneys , engineers and other consultants . Sentence 2:Furthermore , a taxpayer often has the opportunity to protest a property tax assessment annually .
Example Output:
furthermore