Problem: S1: Williams , the first president of the Welsh Academy , was Yr Academi Gymreig .
S2: Williams , ( 1892-1962 ) , was the first president of Welsh Academy ( Yr Academi Gymreig ) .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: According to classical authors such as Pliny the Elder , even through the Roman period , Harran maintained an important position in the economic life of Assyria .
S2: According to Roman authors such as Pliny the Elder , Harran had an important position in the economic life of Assyria even during the classical period .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The states that participated in this study were Aguascalientes , Jalisco , Chihuahua , Durango , Guerrero , Chiapas , Oaxaca , Sinaloa , Veracruz and Yucatan .
S2: The countries that participated in this study were Aguascalientes , Chiapas , Chihuahua , Durango , Guerrero , Jalisco , Oaxaca , Sinaloa , Veracruz and Yucatan .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes