Problem: S1: Hasegawa 's research also included the political and social history of the Russian Revolution of 1917 and Soviet -- Japanese relations .
S2: Hasegawa 's research also includes the political and social history of the Russian Revolution of 1917 and Soviet -- Japanese relations .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The son of James Jeffords , who served as Chief Justice of the Vermont Supreme Court , Olin M. Jeffords was born in Rutland , Vermont .
S2: The son of James Jeffords , serving as Chief Justice of the Supreme Court of Vermont , was born Olin M. Jeffords in Rutland , Vermont .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: They performed at the City Winery in Chicago on November 30 , 2012 , and at the Beachland Ballroom in Cleveland on December 1 , 2012 .
S2: They appeared at the City Winery in Chicago on November 30 , 2012 , and on December 1 , 2012 , in the Beachland Ballroom in Cleveland .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes