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

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Jack Evans won his second Cruiserweight Title by winning 5-man ladder match against Sugi San , Teddy Hart , Rocky Romero and Tiger .
S2: Jack Evans won his second Cruiserweight track by winning 5-man ladder match against Sugi San , Teddy Hart , Rocky Romero and Tiger .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Ruby lasers produce pulses of deep red light at a wavelength of 694.3 nm , which is a coherent visible color .
S2: Ruby - Lasers produce deep red light pulses at a wavelength of 694.3 nm , a coherent visible color .

Do S1 & S2 convey the same information?

A:
yes