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 organization held its first meeting in Berlin . Sentence 2:However , it was forced underground by the British , who refused to let these German allies operate .
Example Output: however

Example Input: Sentence 1:In its later years it made 49,000 journeys annually , carrying 280,000 cars , 145,000 commercial vehicles and over 2 million passengers . Sentence 2:However , it was inadequate for the growing needs of the region and its physical condition was deteriorating .
Example Output: however

Example Input: Sentence 1:The story of a woman who faces many problems in life . Sentence 2:But she faces them with a smile , works with others and makes sure that everyone around her is happy .
Example Output:
but