Problem: S1: He was a federal judge in Mexico , and a respected lawyer in Mexico City .
S2: He was a federal judge in Mexico and a prestigious lawyer in Mexico City .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: They learn at the police station that Devayani 's brother had the money , but Jayaraman is charged with murder .
S2: They learned at the police station that Jayaraman 's brother had the money , but Devayani is charged with murder .

Do S1 & S2 convey the same information?

A: no

Problem: S1: It crossed the Atlantic crossing from Brazil to Liberia , then east across Central Africa to Sudan .
S2: It transited the Atlantic crossing from Brazil to Liberia , then made east across central Africa to Sudan .

Do S1 & S2 convey the same information?

A:
yes