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:Former US Ambassador to the Ukraine Douglas Flannery meets with an old friend and former spy who is seeking his help to thwart a Russian plan to overrun her native Ukraine . Sentence 2:However moments after the meeting , she is killed .
[EX A]: however

[EX Q]: Sentence 1:Most of PCPD pump failures are due to this elastomer part . Sentence 2:However , the operating conditions and environment should not degrade or induce mechanical failure of the elastomer part for the life of the equipment .
[EX A]: however

[EX Q]: Sentence 1:The dwarves made the sword , and it shone and gleamed like fire . Sentence 2:However , they cursed it so that it would kill a man every time it was used and that it would be the cause of three great evils .
[EX A]:
however