You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Ex 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 .

Ex Output:
Yes


Ex Input:
Sentence1: Democratic presidential candidate Joe Lieberman accused President Bush on Wednesday of presiding over a new economy with old thinking , and for failing to reward innovation in the workplace ., Sentence2: Democratic presidential candidate Joe Lieberman criticized President Bush on Wednesday for a sluggish economy that has kept Americans out of work .

Ex Output:
No


Ex Input:
Sentence1: He has also served on the president 's Homeland Security Advisory Council ., Sentence2: Last year , Bush appointed him to the Homeland Security Advisory Council .

Ex Output:

No