Problem: Wwo sentences:
He has established a group to revise the constitution , possibly to protect private property .
He also left out any reference to amending the constitution to guarantee private property rights .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Police arrested a " potential suspect " Monday in the case of a nine-year-old girl who turned up safe two days after being violently abducted from her home .
Police arrested a " potential suspect " Monday in the abduction of a 9-year-old who was found safe after two days , the police chief said .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Mills affected by Thursdays announcement are sawmills in Grande Cache , Alta . , Carrot River , Sask . , Chapleau , Ont . , and Aberdeen , Wash .
They are located in Grande Cache , Alta . , Carrot River , Sask . , Chapleau , Ont . , and Aberdeen , Wash .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
But he is the only candidate who has won national labor endorsements so far , picking up his 11th union on Tuesday when the United Steelworkers of America endorsed him .
But he is the only candidate who has won national labor endorsements so far , picking up his 11th on Tuesday .
Do they have the same meaning?

Answer:
no