Problem: S1: The philosophical and legal provisions of the concrete concept of state of Roerich are based on :
S2: The philosophical and legal provisions of Roerich 's concrete conceptual concept of the state are based on

Do S1 & S2 convey the same information?

A: yes

Problem: S1: This version was released on August 18 , 2016 in Europe and Australia and on January 5th , 2017 in North America .
S2: This version was published on August 18 , 2016 in North America and on January 5 , 2017 in Europe and Australia .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Old Polish language is the period in the history of the Polish language between the 9th and 16th centuries , followed by the middle Polish language .
S2: Old Polish is the time in the history of the Polish language between the 16th and 9th centuries , followed by the middle Polish language .

Do S1 & S2 convey the same information?

A:
yes