Problem: S1: In 1016 , the Serbian prince Ivan Vladislav was murdered in Prespa , ordered by Jovan Vladimir .
S2: In 1016 the Serbian prince Jovan Vladimir was murdered in Prespa by order of Ivan Vladislav .

Do S1 & S2 convey the same information?

A: no

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

Do S1 & S2 convey the same information?

A: yes

Problem: S1: ABC Books has released seven paperback novels , each based on a particular episode and from the perspective of a single character .
S2: ABC Books has released seven paperback novels , each based on a specific episode and from the perspective of a single character .

Do S1 & S2 convey the same information?

A:
yes