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:Contrary to quartz , GaPO is not found in nature . Sentence 2:Therefore , a hydrothermal process must be used to synthesize the crystal .
[EX A]: therefore

[EX Q]: Sentence 1:The collector current does not remain constant with variation in temperature or power supply voltage . Sentence 2:Therefore , the operating point is unstable .
[EX A]: therefore

[EX Q]: Sentence 1:No merit awards or athletic scholarships are offered by Pomona . Sentence 2:Furthermore , need based financial aid is not available to international transfer applicants .
[EX A]:
furthermore