Problem: S1: Probability ) that the other side of the card is black , since there are two cards it might be : the black and the mixed .
S2: Probability that the other side of the card is black , since there are two cards that could be the black and the mixed .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Szabo 's method of double protection was , however , vulnerable to Sybil attacks .
S2: Szabo 's method of sybilizing protection , however , was vulnerable to double attacks .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Pixar also studied the Disney Cruise Line and visited Las Vegas , which was helpful for understanding artificial lighting .
S2: Pixar also visited the Disney Cruise Line and studied Las Vegas , which was helpful in understanding artificial lighting .

Do S1 & S2 convey the same information?

A:
no