Problem: S1: The association of the stylized eye with mirrors was so strong that in the art of Teotihuacan , human eyes were often used as a substitute for the face of a mirror .
S2: The association of the human eye with mirrors was so strong that stylised eyes were frequently used in Teotihuacan art as a substitute for the face of a mirror .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Vancouver had also 4.9 , Calgary had 5.6 , Winnipeg had 5.6 , Montreal had 7.9 , Toronto had 11.2 and Sarnia had 12.7 had .
S2: Vancouver also had 4.9 , Calgary had 5.6 , Winnipeg had 5.6 , Toronto had 7.9 , Montreal had 11.2 and Sarnia had 12.7. ''

Do S1 & S2 convey the same information?

A: no

Problem: S1: English is spoken by many people and understood by some of them fluently .
S2: English is spoken by many people and some of them fluently understood .

Do S1 & S2 convey the same information?

A:
yes