Problem: S1: In 1988 , Pat and Yvonne died in 2007 .
S2: Pat died in 1988 , and Yvonne died in 2007 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Without a big attacker , Garzelli was very constant and could go with the best climbers on a good day .
S2: Without being a great attacker , Garzelli was very constant and , on a good day , he could go with the best climbers .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Chicago Public School is a DeWitt Clinton School on the north side of Chicago , Illinois .
S2: Chicago Public School is a DeWitt Clinton School on the northern side of Chicago , Illinois .

Do S1 & S2 convey the same information?

A:
yes