Problem: S1: Because there was a lack of evidence to prove that Johnson was not killed in self-defense , Jim was acquitted and allowed to return home .
S2: Because there was a lack of evidence to prove that Johnson had not been killed in self-defense , Jim was acquitted and was allowed to return home .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The friendship between him and Duncan ended at a club meeting in 1951 , when the two disagreed at an annual meeting and Greaves reported that Duncan said
S2: The friendship between him and Duncan ended in 1951 at a club meeting , when the two did not agree at an annual meeting , and Duncan reported that Greaves said :

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Bourbon County , Kansas , is a township in Timberhill Township .
S2: Bourbon County , Kansas , USA is a township in Timberhill Township .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no