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:The fertility of their hybrid has given rise to speculation that the dromedary and the Bactrian camel should be merged into a single species with two varieties . Sentence 2:However , a 1994 analysis of the mitochondrial cytochrome b gene showed the species display 10.3 % divergence in their sequences .

A: however
****
Q: Sentence 1:His initial appearance was scheduled for the March 2 , 2009 , taping . Sentence 2:However , the taping was postponed until March 25 , due to host Drew Carey 's bout with pneumonia .

A: however
****
Q: Sentence 1:So , Gandhiji 's letters used to get misdirected . Sentence 2:Therefore , it was decided in 1940 to rename this village as Sevagram or ' the village of service ' .

A:
therefore
****