Problem: S1: Abolitionists rose to the defense of Ellen and William Craft in 1850 , Shadrach Minkins in 1851 , and Anthony Burns in 1854 .
S2: Abolitionists rose in 1850 to defend Ellen and William Craft , Anthony Burns in 1851 , and Shadrach Minkins in 1854 .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Grapes were discovered by acts such as Peter , Paul and Mary , Randy Newman ( with whom he was arrested for obscenity ) , Lenny Bruce and The Isley Brothers .
S2: Weintraub discovered such acts as Peter , Paul and Mary , Randy Newman ( with whom he was arrested for obscenity ) , Lenny Bruce and The Isley Brothers .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Nikolaus sent a telegram to Nicholas , asking for Russian support for the Austrian war against Serbia .
S2: Wilhelm sent a telegram to Nicholas asking for Russian support for the Austrian war against Serbia .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no