Problem: S1: The Hudsonian whiteface is found in an area stretching from West Virginia to Labrador and from the Hudson bay to northern Alaska .
S2: Hudsonian Whiteface is found in an area stretching from West Virginia to Labrador and from Hudson Bay to North Alaska .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Camm decided that both engines would be used : the Tempest Mk 5 had fitted with the Napier Sabre , while the Tempest Mk 2 was the Bristol Centaurus .
S2: Camm decided that both engines would be used : Tempest Mk 5 had fitted with the Napier Sabre , while the Tempest Mk 2 was the Bristol Centaurus .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Cameron Lake is a lake on Vancouver Island , located south of St. Mary Lake .
S2: St. Mary Lake is a lake located on Vancouver Island south of Cameron Lake .

Do S1 & S2 convey the same information?

A:
no