Problem: S1: Potter married in 1945 . He and his wife Mary ( a weaver ) had two children , Anne ( born 1947 ) and Julian ( born 1952 ) .
S2: He and his wife Mary ( a weaver ) had two children , Anne ( born 1947 ) and Julian ( born in 1952 ) .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: David Burliuk was born in Kharkiv , the younger brother of Wladimir Burliuk , on March 15 , 1886 .
S2: Wladimir Burliuk was born in Kharkiv , the younger brother of David Burliuk , on March 15 , 1886 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Kanpur Cantonment is located inside Kanpur Civil Airport .
S2: Kanpur Civil Airport is located inside the Kanpur Cantonment .

Do S1 & S2 convey the same information?

A:
no