Problem: S1: This is a list of caves in the UK , including information about the largest and deepest caves in the United Kingdom .
S2: This is a list of caves in the UK , including information on the largest and deepest caves in the United Kingdom .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In round 2 . Blair defeated Anthony and Christina defeated Blake .
S2: In round 2 defeated Blair Anthony , and Christina defeated Blake .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In his letter to Christofias , Menendez stated '' you can not ignore human rights violations by Turkey in your country and then claim such violations in Cuba .
S2: In his letter to Christofias , Menendez explained : '' You can not ignore human rights violations by Turkey in your country and then claim such violations in Cuba .

Do S1 & S2 convey the same information?

A:
yes