Problem: Wwo sentences:
It is almost certain to exacerbate the bitter divisions between Washington and Europe that have not abated since the end of the war in Iraq .
It is almost certain to exacerbate the divisions between Washington and Europe that emerged before the war in Iraq .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Board Chancellor Robert Bennett declined to comment on personnel matters Tuesday , as did Mills .
Mr. Mills declined to comment yesterday , saying that he never discussed personnel matters .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
He beat testicular cancer that had spread to his lungs and brain .
Armstrong , 31 , battled testicular cancer that spread to his brain .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Four years ago , Nike was sued in state court by California activist Marc Kasky under a statute designed to protect consumers from false advertising .
Four years ago , California activist Marc Kasky sued Nike under a statute designed to protect consumers from false advertising .
Do they have the same meaning?

Answer:
yes