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:Billy Taylor and Don Gallinger , now middle - aged , were finally forgiven for their gambling in 1948 and were reinstated to the NHL . Sentence 2:However , they did not return to the NHL .
[EX A]: however

[EX Q]: Sentence 1:Data mining is an important criteria in constructing a technical Data Management System . Sentence 2:For example , in building a E-commence platform , TDMS is needed to search and display information about the products .
[EX A]: for example

[EX Q]: Sentence 1:He was mentioned during the fire at River Bend in ' Dark Sunshine . ' Sentence 2:However , in several books it is said that there are seven Ely brothers : Kit , Nate , Seth , Adam , Bryan , Quinn , and Jake Ely .
[EX A]:
however