Problem: S1: In the same year he played in the UEFA Champions League qualification against HJK Helsinki and Celtic Glasgow and later in UEFA Cup against Dinamo Zagreb .
S2: In the same year he played in the UEFA Champions League - Qualification against HJK Helsinki and Celtic Glasgow and later in the UEFA Cup against Dinamo Zagreb .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Ten Liberals served as Prime Minister , either considered liberal , or as a member of the VLD , the Liberal Party or the MR .
S2: Ten Liberals have served as prime minister , either as being considered Liberal , or as a member of the Liberal Party , the VLD , or the MR .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Samata Express is a super quick express train between New - Delhi and Hazrat Nizamuddin in Visakhapatnam and is operated by the East Coast Railway .
S2: Samata Express is a super fast express train between Visakhapatnam and Hazrat Nizamuddin in New Delhi and is operated from the East Coast railway .

Do S1 & S2 convey the same information?

A:
no