Question:
S1: On the cell 's surface , the foreign components are recognised by other cells that then realise it is infected and kill it .
S2: The foreign bits are recognized by other cells that realize it is infected and kill it .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: His decision means that the case against Gary Lee Sampson , including the capital charges against him , will be tried in September .
S2: That means the case against Gary Lee Sampson , including the capital charges , will now to trial in September .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: " In Iraq , " Sen. Pat Roberts , R-Kan . , chairman of the intelligence committee , said on CNN 's " Late Edition " Sunday , " we 're now fighting an anti-guerrilla ... effort . "
S2: " In Iraq , " Sen. Pat Roberts ( R-Kan . ) , chairman of the intelligence committee , said on CNN 's " Late Edition " yesterday , " we 're now fighting an anti-guerrilla . . . effort . "
Are S1 and S2 the same?
Answer:
yes

Question:
S1: She also thanked her boyfriend , Sgt. Ruben Contreras , who was sitting next to the stage .
S2: And she has a boyfriend , officials said : Sgt. Ruben Contreras , who sat with her family today .
Are S1 and S2 the same?
Answer:
no