Problem: S1: The People 's Army for the Liberation of Angola ( FAPLA ) and Angolan troops took the city on February 1 , 1976 during the Cuban civil war .
S2: The popular armed forces for the liberation of Angola ( FAPLA ) and Cuban troops took the city on 1 February 1976 during the Angolan civil war .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The languages of the Rai coast are a family of languages in Madang - continent of New Guinea .
S2: The Rai Coast languages are a family of languages in the Madang stock of New Guinea .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: These crystallographic solvents dissolve the silicon in a highly anisotropic way , with some alkali orientations dissolving up to 1000 times faster than others .
S2: These crystallographic solvents solve the silicon in a strongly anisotropic way , with some alkali orientations dissolving up to 1000 times faster than others .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes