Problem: S1: The opera debuted at the Royal Opera House , London , on 3 December 1954 directed by Sir Malcolm Sargent , and conducted by George Devine .
S2: The opera debuted on December 3 , 1954 at the Royal Opera House in London , led by Sir Malcolm Sargent and directed by George Devine .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The ritual of the celebration gradually received a distinctive character with a number of similar elements : ceremonial meetings , speeches , lectures , receptions and fireworks .
S2: The ritual of the celebration gradually obtained a distinctive character with a number of similar elements : ceremonial meetings , speeches , lectures , receptions and fireworks .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The new style was also encouraged by changes in the social order and the economic structure .
S2: The new style was also encouraged by changes in the economic order and social structure .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no