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: Sean Harrigan , president of the California Public Employees ' Retirement System , also suggested paring down the NYSE 's 27-member board , changing its composition and making it more accountable ., Sentence2: Sean Harrigan , president of the California Public Employees ' Retirement System , also suggested paring the NYSE 's 27-member board and allotting more seats to investors outside the securities industry .

SOLUTION: 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: " This puts telemarketers on notice that we will take all measures necessary to protect consumers who chose to be left alone in their homes . ", Sentence2: " This puts telemarketers on notice that we will take all measures necessary to protect consumers who chose to be left alone in their homes , " FCC chairman Michael Powell said .

SOLUTION:
Yes