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:X-rays have been detected from V473 Lyrae during a survey looking for x-rays from young main sequence companions to Cepheid variables . Sentence 2:However , the x-rays in this case appear to originate from the Cepheid itself , not from the companion .

SOLUTION: however

PROBLEM: Sentence 1:In March 2007 Michael Raum was assigned to the BBDO Worldwide Board with headquarters in New York City . Sentence 2:Furthermore , he is represented in various economic boards .

SOLUTION: furthermore

PROBLEM: Sentence 1:It is presumed to have a large population , and generally lives within the confines of protected areas . Sentence 2:Therefore , it is unlikely to decline at the rate needed to be listed as an endangered species .

SOLUTION:
therefore