QUES: They worry the treatment could leave their son sterile , blind or even dead .

They fear the treatment would stunt the boy 's growth and leave him sterile .

The sentences above mean the same or not?
****
ANS: no

QUES: The technology-laced Nasdaq Composite Index .IXIC ended off 8.15 points , or 0.49 percent , at 1,644.03 .

The broader Standard & Poor 's 500 Index .SPX advanced 2 points , or 0.24 percent , to 977 .

The sentences above mean the same or not?
****
ANS: no

QUES: UBS Warburg downgraded Altria , a Dow member , to " neutral " from " buy , " based on valuation .

It fell 0.5 percent after UBS downgraded it to " neutral " from " buy , " citing valuation .

The sentences above mean the same or not?
****
ANS:
no