Problem: S1: The wooden vault of the roof is visible in the choir and in the right transept , while the rest of the church has a stone roof .
S2: The groined vaulting of the roof is visible in the choir and the right transept , while the rest of the church has a wooden roof .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: In March 1833 , Pekin was renamed Redford and the southern half was on April 1 , Dearborn Township .
S2: In March 1833 , Dearborn Township was renamed Redford and the southern half became Pekin on April 1st .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The March 2000 issue had a French edition , and a hardcover '' limited '' edition appeared in 2002 .
S2: The March 2000 edition had a French issue , and in 2002 a bound edition appeared .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no