Question:
S1: Still , Mauresmo has the confidence of having beaten Serena for the first time and also is buoyed by Venus Williams ' upset loss Sunday to Vera Zvonareva .
S2: She has the confidence of having beaten her for the first time and she is buoyed by Venus Williams ' upset loss of two days ago .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: " We condemn the Governing Council headed by the United States , " Muqtada al Sadr said in a sermon at a mosque .
S2: " We condemn and denounce the Governing Council , which is headed by the United States , " Moqtada al-Sadr said .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: Country-music station KKCS has suspended two disc jockeys for playing songs by the Dixie Chicks in violation of a ban imposed after one group member criticized President George Bush .
S2: A radio station has suspended two disc jockeys for locking themselves in the studio and continuously playing Dixie Chicks songs , violating the station 's two-month-old ban on the group 's music .
Are S1 and S2 the same?
Answer:
no

Question:
S1: It has a plus or minus 4.9 percent margin of error .
S2: It had a margin of error of plus or minus five percentage points .
Are S1 and S2 the same?
Answer:
yes