Problem: S1: The village has three schools -- a secondary and two primary schools .
S2: The village has three schools -- a primary school and two secondary schools .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Tectona grandis is a hardwood tree that is native to much of South and Southeast Asia , including Myanmar .
S2: Teak , tectona grandis , is a hardwood tree native to much of South and Southeast Asia , including Myanmar .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Granel was an important influence on a number of French philosophers , including Bernard Stiegler , Jean-Luc Nancy and Jacques Derrida .
S2: Granel was an important influence in a number of French philosophers , including Bernard Stiegler , Jean-Luc Nancy , and Jacques Derrida .

Do S1 & S2 convey the same information?

A:
yes