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:When exploring narrativity in film , several factors must be taken into account . Sentence 2:For example , the order in which the events of the story are presented .
[A]: for example

[Q]: Sentence 1:A subsequent report focused on biosecurity , especially the so - called dual - use challenge . Sentence 2:For example , while synthetic biology may lead to more efficient production of medical treatments , it may also lead to synthesis or modification of harmful pathogens ( e.g. , smallpox ) .
[A]: for example

[Q]: Sentence 1:Our wandering heroes are in Wessex , England , to visit Wilbur Waskerville , Wessex 's most well - known detective . Sentence 2:But Wilbur 's brother , Sir Wendell informs them that Wilbur has gone missing .
[A]:
but