Problem: S1: In the United States , systems of proportional representation are uncommon , especially above the local level , and are entirely absent at the national level .
S2: In the United States , systems of proportional representation , especially above the local level , are unusual and are completely absent at the national level .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Harvey had been the last to speak to Oates .
S2: Oates had been the last person to speak to Harvey .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Great Inquisitor ( 1748 -- 1818 ) was a Spanish bishop , who from 1814 to 1818 was Francisco Javier Mier Campillo of Spain .
S2: Grand Inquisitor ( 1748 -- 1818 ) was a Spanish bishop who was Francisco Javier Mier Campillo of Spain from 1814 to 1818 .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes