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 fall would have been 16 metres ( 52 ft ) , astonishing in 1749 . Sentence 2:However the approach tunnel proved to be unusable in times of flood and the shaft lock was replaced by a 2 - rise staircase in 1768 .
[EX A]: however

[EX Q]: Sentence 1:On top of that , the team charged that all three Chicago men had received twice their travel expenses , making them paid professionals . Sentence 2:Meanwhile , Allegheny accused Pittsburgh of hiring Simon Martin , who was promised a job at the club for his participation .
[EX A]: meanwhile

[EX Q]: Sentence 1:The demolition of the tracks and the railway buildings at the old terminus were completed in 1971 . Sentence 2:However , as a result of the relocation , the station lost its importance .
[EX A]:
however