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.

Input: Consider Input: Sentence 1:First , the system voltage is raised up to 250 to 600 volts by a power supply inside the CDI module . Sentence 2:Then , the electric current flows to the charging circuit and charges the capacitor .

Output: then


Input: Consider Input: Sentence 1:Vinod Tawde claimed that he obtained a Bachelor of No Degree from Dnyaneshwar Vidyapeeth , Pune . Sentence 2:However , Dnyaneshwar Vidyapeeth is not associated with the All India Council for Technical Education ( AICTE ) or the Directorate of Technical Education , Maharashtra .

Output: however


Input: Consider Input: Sentence 1:Contrary to quartz , GaPO is not found in nature . Sentence 2:Therefore , a hydrothermal process must be used to synthesize the crystal .


Output: therefore