TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: The virus spreads when unsuspecting computer users open file attachments in emails that contain familiar headings like " Thank You ! " and " Re : Details " ., Sentence2: Sobig.F spreads when unsuspecting computer users open file attachments in e-mails that contain such familiar headings as " Thank You ! , " " Re : Details " or " Re : That Movie . "

SOLUTION: Yes

PROBLEM: Sentence1: " Contrary to the court 's decision , we firmly believe Congress gave the FTC authority to implement the national Do Not Call list ., Sentence2: " Contrary to the court 's decision , we firmly believe Congress gave the F.T.C. authority to implement the national do-not-call list , " the congressmen said in a statement .

SOLUTION: Yes

PROBLEM: Sentence1: The Dow Jones industrial average .DJI rose 41.61 points , or 0.44 percent , to 9,415.82 ., Sentence2: The Dow Jones rose 41.61 points Friday , a gain of 0.4 % for the day and 0.7 % for the week .

SOLUTION:
No