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 Input:
Sentence 1:This design allows the vertical misalignment to be about 20 cm with a 50 % power efficiency . Sentence 2:However , the U shaped cores also require return cables which bumps up the cost of production .

Ex Output:
however


Ex Input:
Sentence 1:In Judaism , the process of becoming spiritually pure lasts seven days . Sentence 2:Thus , the Maccabees could only produce additional pure oil after eight days : seven days of becoming pure including one day , once pure , to actually make the oil .

Ex Output:
thus


Ex Input:
Sentence 1:On April 18 , 2016 , Relapse announced Survive signed to the label , and their next album would be released late in the summer season . Sentence 2:However , the date was moved to September for unknown reasons .

Ex Output:

however