Problem: S1: Margarites giganteus , common name of the marine margarite , is a species of sea snail , a huge gastropod mollusk in the Margaritidae family .
S2: Margarites giganteus , common name the giant margarite , is a species of sea snail , a marine gastropod mollusk in the family Margaritidae .

Do S1 & S2 convey the same information?

A: no

Problem: S1: '' Purple Clover '' describes the site as for people who are '' ... still cool , still curious and after all those years are still crazy .
S2: '' Purple Clover '' describes the site as being for people who are '' ... still cool , still curious , and still crazy after all these years . ''

Do S1 & S2 convey the same information?

A: yes

Problem: S1: This was the first PowerPC native version , which made it a lot faster than previous versions on newer machines .
S2: This was the first native PowerPC version , which made it much faster on newer machines than previous versions .

Do S1 & S2 convey the same information?

A:
yes