TASK DEFINITION: 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.
PROBLEM: Sentence 1:A unique characteristic of Arasbaran forests is the ubiquity of edible wild trees . Sentence 2:For instance , a patch of forest between Aghaweye and Oskolou includes hazelnut trees .

SOLUTION: for instance

PROBLEM: Sentence 1:When Toothy is drilling , the drill 's battery goes dead , much to his disappointment . Sentence 2:However , after Toothy managed to get another battery .

SOLUTION: however

PROBLEM: Sentence 1:While it does not have a ticketing office or counter , it does have a Quik - Trak kiosk . Sentence 2:However , no other services are provided at the station ( i.e. , baggage , lounge , telephone , etc . ) .

SOLUTION:
however