Problem: S1: An AMO warm phase strengthens the summer rain over the Sahel , while a cold phase reduces rainfall .
S2: An AMO warm phase strengthens the summer rainfall over Sahel , while a cold phase reduces it .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Rayon is a village and municipality in the Sabirabad of Azerbaijan , has a population of 3,577 .
S2: Sabirabad is a village and municipality in Jalilabad - Rayon of Azerbaijan . It has a population of 3,577 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The song was written by Thicke and Lamar alongside Dr. Luke and was produced by will.i.am and Cirkut .
S2: The song was written by Thicke and Lamar besides will.i.am and produced by Dr. Luke and Cirkut .

Do S1 & S2 convey the same information?

A:
no