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.

Example Input: Sentence 1:Chemistry debuted at number 34 on the Irish Albums Chart , and peaked at number 31 four weeks later . Sentence 2:However , the album was certified platinum in Ireland .
Example Output: however

Example Input: Sentence 1:Some women are concerned about using ART early in the pregnancy as babies are most susceptible to drug toxicities during the first trimester . Sentence 2:However , delay in ART initiation may prove less effective in reducing infection transmission .
Example Output: however

Example Input: Sentence 1:It also allows one to avoid labour - intensive cloning procedures as well . Sentence 2:However , if this route is taken , there are other biases and hurdles one must consider .
Example Output:
however

