Problem: S1: The ditch was cut out of rock and about 5 m wide and 4 to 5 m deep .
S2: The ditch was cut from rock and about 5 m wide and 4 to 5 m deep .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The Data Definition Facility provides a semantic for persistent artifacts such as collections and indexes in XQuery or JSONiq programs .
S2: Data Definition Facility provides a semantic for persistent artifacts such as collections and indexes in XQuery or JSONiq programs .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In May 1955 a new Balkan Express was launched from Bulgaria via Vienna ( avoiding Graz and Belgrade ) to Athens and Istanbul .
S2: In May 1955 , a new Balkan Express was launched from Vienna via Graz and Belgrade ( without Bulgaria ) to Athens and Istanbul .

Do S1 & S2 convey the same information?

A:
no