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

Example Input: Sentence1: The U.S. government and private technology experts warned Wednesday that hackers plan to attack thousands of Web sites Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic ., Sentence2: THE US government and private technology experts have warned that hackers plan to attack thousands of websites on Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic .
Example Output: Yes

Example Input: Sentence1: Quattrone is accused of obstructing justice by helping to encourage co-workers in an e-mail to destroy files on lucrative investment banking deals ., Sentence2: Quattrone is accused of attempting to obstruct justice by endorsing that e-mail , which encouraged co-workers to destroy files on profitable investment banking deals .
Example Output: Yes

Example Input: Sentence1: " New " farmers say they have increased the numbers of dogs they keep for " protection " but former farmers say the packs are used to hunt depleted wildlife ., Sentence2: Farmers say they have increased the numbers of dogs they keep for protection , although some packs are used to hunt depleted wildlife .
Example Output:
Yes