Problem: S1: Tommy is the brother of Carlow footballer Patrick Walsh .
S2: The brother of Carlow - Footballer Patrick Walsh is the Tommy .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: But in recent years , the number of black Americans has increased in the city , and some have occupied well-kept areas in traditionally European areas .
S2: But in recent years the number of European Americans in the city has increased , and some have occupied gentrified areas in traditionally black neighborhoods .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The diminutive form of the word , '' caipirinha '' , is well-known as a cocktail worldwide .
S2: The diminutive form of the word '' Caipirinha '' is known worldwide as a cocktail .

Do S1 & S2 convey the same information?

A:
yes