Question:
S1: No rabies vaccine is available for humans in Zimbabwe and if it was it would be too expensive for most bitten by infected dogs .
S2: Health professionals say there is no rabies vaccine for humans in Zimbabwe and , even if it was available , it is too expensive for most bitten by infected dogs .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: The problem likely will mean corrective changes before the shuttle fleet starts flying again .
S2: He said the problem needs to be corrected before the space shuttle fleet is cleared to fly again .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: Nigeria and other African oil producers are increasingly important in U.S. plans to lessen dependence on Middle Eastern suppliers for its energy security .
S2: Nigeria and other African producers are increasingly important in the former Texas oilman 's plans to lessen dependence on Middle Eastern suppliers for energy security .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: Sutherland is the 65-year-old computing pioneer who co-founded Evans & Sutherland , which made high-performance graphics computers .
S2: Sutherland , 65 , was a co-founder of Evans & Sutherland , an early maker of high-performance computers .
Are S1 and S2 the same?
Answer:
yes