input question: " Smallpox is not the only threat to the public 's health , and vaccination is not the only tool for smallpox preparedness , " Strom said .
" Smallpox is not the only threat to the nation 's health , and vaccination is not the only tool for preparedness , " his introductory statement says .
output answer: yes

input question: Since December 2002 , Evans has been the vice chair of the U.S. Chief Information Officers Council .
Evans is also the vice-chairman of the Federal Chief Information Officers Council .
output answer: yes

input question: Derek Jeter took batting practice on the field for the first time since dislocating his left shoulder on Opening Day and expects to begin a minor league rehab assignment tomorrow .
Jeter , who dislocated his left shoulder in a collision March 31 , took batting practice on the field for the first time Monday .
output answer: no

input question: The broader Standard & Poor 's 500 Index < .SPX > edged down 9 points , or 0.98 percent , to 921 .
The Standard & Poor 's 500 Index shed 5.20 , or 0.6 percent , to 924.42 as of 9 : 33 a.m. in New York .
output answer:
yes