Problem: S1: He also won numerous children 's books and illustrated five times the Levstik Award for his illustrations , in 1958 , 1962 , 1967 , 1974 and 1975 .
S2: He also illustrated numerous children 's books and won the Levstik Award for his illustrations five times , in 1958 , 1962 , 1967 , 1974 and 1975 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Doba River is a tributary of the Crisul Mic River in Romania .
S2: The river Doba is a tributary of the Crisul Mic River in Romania .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: It was followed by MacPaint and a competitor to Silicon Beach Software SuperPaint .
S2: It was MacPaint and followed a competitor to Silicon Beach Software 's SuperPaint .

Do S1 & S2 convey the same information?

A:
no