Problem: S1: Several publications of the Public Health Service have shown that veterans have increased cancer , nerve , digestive , skin and respiratory disorders .
S2: Several publications published by the Public Health Service have shown that veterans have increased rates of cancer , and nerve , digestive , skin , and respiratory disorders .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The texts were written by Taupin first and John later composed the music .
S2: The texts were later written by Taupin and John composed the music first .

Do S1 & S2 convey the same information?

A: no

Problem: S1: 1544 : Earl of Holyrood Palace burns the city , including Hertford and Abbey .
S2: 1544 : Earl of Holyrood Palace burns the town , including Hertford and Abbey .

Do S1 & S2 convey the same information?

A:
yes