Problem: S1: The North Downs Way crosses the Medway Viaduct at the eastern end of the Medway Valley Walk or motorway bridge .
S2: The North Downs Way crosses the Medway viaduct at the eastern end of Medway Valley Walk or the Autobahn bridge .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The mechanism also has found thermobaric use in the military weapons .
S2: The mechanism has also found thermobaric use in military weapons .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: However , he obliged Keldorfer properly and replaced the orchestral introduction with the A - cappella - opening .
S2: However , he duly obliged Keldorfer and replaced the orchestral introduction with the a cappella opening .

Do S1 & S2 convey the same information?

A:
yes