Problem: S1: Ivanov is a famous kickboxing master and coach and a successful producer in Russia .
S2: Ivan Ivanov is a successful kickboxing - master and coach and a famous producer in Russia .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The black suit was largely replaced by the dark blue or grey suit in the 20th century .
S2: The grey suit was largely replaced in the 20th century by the dark blue or black suit .

Do S1 & S2 convey the same information?

A: no

Problem: S1: His son John James was a prominent architect who was active in Winnipeg , and his son George was also an architect in Montreal .
S2: His son , George , was a prominent architect in Winnipeg , and his son , John James , was also active in Montreal .

Do S1 & S2 convey the same information?

A:
no