Problem: S1: Important Chinese expressions are also given and illustrated and the pronunciation of characters explained .
S2: Important Chinese phrases are also given and illustrated and the pronunciation of characters explained .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Alfonso Enrique Ponce Martinez ( born December 8 , 1971 in Chiva , Valencia , Spain ) is also known as Enrique Ponce , a famous Spanish bullfighter .
S2: Enrique Ponce ( born 8 December 1971 in Chiva , Valencia , Spain ) , also known as Alfonso Enrique Ponce Martinez , is a famous Spanish bullfighter .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Had the Immigration Officer intended on arrival that asylum was known , then he would not have granted entry as a visitor .
S2: If the immigration official had known that asylum was intended on arrival , he would not have granted entry as a visitor .

Do S1 & S2 convey the same information?

A:
no