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:On systems or services using NTLM authentication , users ' passwords are never sent in cleartext over the wire . Sentence 2:Instead , they are provided to the requesting system , like a domain controller , as a hash in a response to a challenge - response authentication scheme .
[A]: instead

[Q]: Sentence 1:Now they must cross a narrow beam while avoiding being knocked off by a wrecking ball that is swung at them . Sentence 2:Then , to cross a gap in the course , they have to step onto a spinning plank and leap off the opposite side to carry on .
[A]: then

[Q]: Sentence 1:Nonetheless , technological innovation continued . Sentence 2:For example , AT&T commissioned the first experimental communications satellite , Telstar I in 1962 .
[A]:
for example