Instructions: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
Input: Sentence1: The two have no diplomatic ties and their already tense relationship has been frayed by the crisis over the North 's nuclear ambitions ., Sentence2: The two have no diplomatic ties and their already tense relationship has been frayed further by a diplomatic spat over North Korea 's nuclear ambitions .
Output:
Yes