Problem: S1: In 1955 , it became the Central Electricity Authority , which in turn in 1957 the Central Electricity Generating Board .
S2: In 1955 , this became the Central Electricity Authority , which in turn became the Central Electricity Generating Board in 1957 .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: He was the only Australian and the only architect within the group .
S2: He was the only and the only Australian Architect in the group .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Back in England , Benny Sharkey beat Sonny Lee before suffering only the fifth defeat of his career when he was disqualified against Watson for a low blow .
S2: Back in England , Watson beat Benny Sharkey before bearing only the fifth defeat of his career when he was disqualified for a low blow against Sonny Lee .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no