Q:
Do these sentences have the same meaning?
He planned Monday to formally announce the effort alongside several union presidents .
He plans to announce the effort formally tomorrow in Cincinnati alongside several union presidents .
A:
yes

Q:
Do these sentences have the same meaning?
The stretch of Danube river passing through the Balkans dropped so low that wrecks of World War II boats became visible .
Rivers were also drying up - a stretch of Danube passing through the Balkans dropped so low that wrecks of World War II boats became visible .
A:
yes

Q:
Do these sentences have the same meaning?
Similar bills passed the House twice but died in the Senate .
Two years ago , the House passed a similar version that floundered in the Senate .
A:
yes

Q:
Do these sentences have the same meaning?
Dell has about 32 percent of the U.S. market , but much lower share in the rest of the world .
Dell has 32 percent of the PC market in the United States , but it has only a 10 percent share in the rest of the world .
A:
yes