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:Phloroglucinol was originally prepared from phloretin , a compound isolated from fruit trees , using potassium hydroxide . Sentence 2:Additionally , the compound can be similarly prepared from glucosides , plant extracts and resins such as quercetin , catechin and phlobaphenes .

A: additionally
****
Q: Sentence 1:Originally intended to replace the OMO cars which were suffering from metal fatigue , ten were ordered . Sentence 2:However , due to cost cutting only seven were built for Blackpool Transport , with GEC 's 648 later joining the fleet .

A: however
****
Q: 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 .

A:
however
****