Problem: S1: Because a linear combination with integer coefficients of algebraic integers is again an algebraic integer , this proves the statement .
S2: Since a linear combination with integer coefficients of algebraic integers is an algebraic integer , this proves the statement .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Tipsarevic started playing tennis at age six , and at the age of nine , began playing at the New Belgrade Tennis Club with Russian coach Roman Savochkin .
S2: Tipsarevic started playing tennis at the age of six , and at the age of nine he began with the Russian coach Roman Savochkin at the New Belgrade Tennis Club .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Argento ( born Aria Maria Vittoria Rossa Argento ; September 20 , 1975 ) is an Italian actress , singer , model , activist and director .
S2: Asia Argento ( ; born Aria Maria Vittoria Rossa Argento ; 20 September 1975 ) is an Italian actress , singer , model , activist and director .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes