Problem: S1: Humphrey 's mother , according to Robert of Torigni , was Duvelina , sister of Gunnora , concubine of Richard I , Duke of Normandy .
S2: According to Robert von Torigni , the mother of Humphrey Duvelina , sister of Gunnora , was a concubine of Richard I , duke of Normandy .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Taungya also meant that the British or their agents would return to the newly planted areas after some years to harvest the previously cut teak .
S2: Taungya also meant that after a few years the British or their agents would return to the previously cut off areas to harvest the newly planted teak wood .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Major A premiership is currently held by the Major League in Pine Hills Lightning and Runcorn Indians in the Pacific League .
S2: The Major A Premiership is currently held in the Pacific League by the Pine Hills Lightning in the Major League and Runcorn Indians .

Do S1 & S2 convey the same information?

A:
no