Problem: Wwo sentences:
" We condemn and denounce the Governing Council , which is headed by the United States , " Moqtada al-Sadr said .
" We condemn the Governing Council headed by the United States , " Sadr said in a fiery sermon at Koufa mosque near Najaf .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The two have no diplomatic ties and their already tense relationship has been frayed by the crisis over the North 's nuclear ambitions .
The two have no diplomatic ties and their already tense relationship has been frayed further by a diplomatic spat over North Korea 's nuclear ambitions .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Seven of the nine major Democratic presidential candidates were to address the forum last night .
Seven Democratic presidential candidates have arranged to address the group , according to The Associated Press .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The NEA report , the " Status of the American Public School Teacher , " aims to help education groups shape their agendas .
The NEA report , " Status of the American Public School Teacher , " aims to help education groups shape their agendas and mold the country 's image of teachers .
Do they have the same meaning?

Answer:
no