Question:
S1: Lewis , the WBC champion , can still fight June 21 at the Staples Center in Los Angeles against another opponent .
S2: With Johnson 's injury , the fight card at the Staples Center in Los Angeles is in question .
Are S1 and S2 the same?
Answer:
no

Question:
S1: In Vienna , the IAEA said ElBaradei would accept the invitation , although no date had yet been set .
S2: In Vienna , the International Atomic Energy Agency said on Monday ElBaradei had accepted Iran 's invitation , but said no date had yet been set .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: The face of President Saddam Hussein was added to Iraqi currency after the 1991 Gulf War .
S2: Saddam 's portrait was added to Iraq 's currency after the Gulf War .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: Iraqi police opened fire in downtown Baghdad today after demonstrators stormed a police station demanding they be given jobs they claimed to have paid bribes for .
S2: Iraqi police opened fire in downtown Baghdad Wednesday after demonstrators demanding jobs stormed a police station and threw stones at officers , police said .
Are S1 and S2 the same?
Answer:
no