Problem: S1: Erandio is a town and municipality in the province of Basque Country , in the Autonomous Community of Biscay , in northern Spain .
S2: Erandio is a town and municipality located in the province of Biscay , in the autonomous community of Basque Country , northern Spain .

Do S1 & S2 convey the same information?

A: no

Problem: S1: An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum . Common types of optical waveguides include optical fiber and rectangular waveguides .
S2: An optical waveguide is a rectangular structure that guides electromagnetic waves in the physical spectrum . Ordinary types of optical waveguides include optical fibres and optical waveguides .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Vinay wants the Xavier to kill someone .
S2: Vinay wants Xavier to kill someone .

Do S1 & S2 convey the same information?

A:
yes