Problem: S1: He has two careers - Tricks , the first against the Edmonton Oilers and the second against the Vancouver Canucks on 8 December 2009 .
S2: He has two career hat-tricks , the first against the Vancouver Canucks and the second against the Edmonton Oilers on December 8 , 2009 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In 1842 , after his wife died , Martha Chardevoyne married Jack Shackelford .
S2: After his wife died in 1842 , Martha Chardevoyne married Jack Shackelford .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Vancouver had also 4.9 , Calgary had 5.6 , Winnipeg had 5.6 , Montreal had 7.9 , Toronto had had 11.2 and Sarnia had 12.7 .
S2: Vancouver had also 4.9 , Calgary had 5.6 , Winnipeg had 5.6 , Toronto had 7.9 , Montreal had 11.2 and Sarnia had 12.7 had .

Do S1 & S2 convey the same information?

A:
no