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.

Q: Sentence 1:Pope Innocent VII excommunicated all those involved in Scrope 's execution . Sentence 2:However Archbishop Arundel failed to publish the Pope 's decree in England , and in 1407 Henry IV was pardoned by Pope Gregory XII .

A: however
****
Q: Sentence 1:In the above , function ( ) can be called by different threads without any problem . Sentence 2:But , if the function is used in a reentrant interrupt handler and a second interrupt arises inside the function , the second routine will hang forever .

A: but
****
Q: Sentence 1:The MUTCD requires a cardinal directional sign to be posted with the route shield to further reassure travelers that they are traveling the correct direction on their route . Sentence 2:However , this standard is not always followed , especially in urban areas .

A:
however
****