Problem: S1: This is a list of people on Zambia 's postage stamps and its predecessor Northern Rhodesia .
S2: This is list of people on postage stamps of Zambia and its predecessor Northern Rhodesia .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Through the weekly Roanoke Beacon newspaper from Plymouth , NC , and the daily Washington Daily News from Washington , NC , Creswell is serviced .
S2: Creswell is served by the weekly Roanoke Beacon newspaper from Plymouth , NC , and the daily Washington Daily News from Washington , NC .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: They have expanded since then , even during the recent recession , with 54 sites in southern California , and 9 more in northern California .
S2: They have since expanded , even during the recent recession , and have 54 locations in Northern California , with 9 more in Southern California .

Do S1 & S2 convey the same information?

A:
no