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:Data mining is an important criteria in constructing a technical Data Management System . Sentence 2:For example , in building a E-commence platform , TDMS is needed to search and display information about the products .

Output: for example


Input: Consider Input: Sentence 1:Raymond IV , Count of Toulouse , was alone in advocating assaulting the city . Sentence 2:In the end , the crusaders chose to advance on Antioch and establish a siege close to Antioch .

Output: in the end


Input: Consider Input: Sentence 1:When he learns that Hornblower 's Sutherland is best suited for this task , having the shallowest draught , he becomes suspicious that Hornblower is after glory and prize money . Sentence 2:Leighton therefore expressly forbids Hornblower from taking any independent action if he sights the French .


Output: therefore