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:The mechanisms for infection , proliferation , and persistence of a virus in cells of the host are crucial for its survival . Sentence 2:For example , some diseases such as measles employ a strategy whereby it must spread to a series of hosts .
[EX A]: for example

[EX Q]: Sentence 1:Between 31 October and 1 November , the Army seized between five and seven villages from HTS . Sentence 2:Meanwhile , HTS reportedly seized two villages from ISIL , forcing ISIL to retreat to its three remaining villages in the area .
[EX A]: meanwhile

[EX Q]: Sentence 1:In each case , the goal is to translate raw data into meaningful information about the learning process in order to make better decisions about the design and trajectory of a learning environment . Sentence 2:Thus , EDM generally consists of four phases :
[EX A]:
thus