Problem: S1: This was the first time since 1976 that Pennsylvania did not vote for the same candidate as neighboring New Jersey .
S2: This was the first time since 1976 that Pennsylvania did not vote for the same candidate as the neighboring New Jersey .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Guillermo Vilas won in the final 4 -- 6 , 6 -- 3 , 6 -- 1 , 7 -- 6 against Vitas Gerulaitis .
S2: Vitas Gerulaitis won 4 -- 6 , 6 -- 3 , 6 -- 1 , 7 -- 6 against Guillermo Vilas in the finals .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The mounting has a tripod , but the front leg is a castering wheel .
S2: The mounting is a tripod , but the front leg has a steering wheel .

Do S1 & S2 convey the same information?

A:
no