Question:
S1: After 26 hours of surgery and a year of anticipation , the boys were separated Sunday at Children 's Medical Center of Dallas .
S2: Two-year-old Egyptian twin boys , born with their heads conjoined , have been separated after 26 hours of surgery at the Children 's Medical Centre in Dallas .
Are S1 and S2 the same?
OPTIONS:
- no
- yes
Answer:
yes

Question:
S1: At the Pentagon , the Department of Defense 's Inspector General has separately been asked to investigate how the telecom licences were awarded .
S2: But a source close to the Pentagon said the Defense Department 's own inspector-general had been asked to investigate how the licences were awarded .
Are S1 and S2 the same?
OPTIONS:
- no
- yes
Answer:
yes

Question:
S1: The U.N. nuclear watchdog reprimanded Iran on Thursday for failing to comply with its nuclear safeguards obligations and called on Tehran to unconditionally accept stricter inspections by the agency .
S2: The U.N. atomic watchdog rapped Iran Thursday for failing to comply with nuclear safeguards , issuing a statement Washington said underlined international opposition to Tehran developing any banned weapons .
Are S1 and S2 the same?
OPTIONS:
- no
- yes
Answer:
no

Question:
S1: In Falluja on Thursday , two grenades were thrown at soldiers from the Third Armored Cavalry Regiment , wounding seven .
S2: In Al-Fallujah , two grenades were thrown Thursday at soldiers from the 3rd Armored Cavalry Regiment , wounding seven , none seriously .
Are S1 and S2 the same?
OPTIONS:
- no
- yes
Answer:
yes