Problem: S1: The first dorsal fin is smaller than the second , and the distance between it and the second dorsal fin is less than the length of its base .
S2: The second spine fin is smaller than the first and the distance between it and the first fin is less than the length of its base .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Ross was originally imprisoned at North Point , then marched to Sham Shui Po Barracks and finally shipped to Innoshima where he worked at Habu Dockyard for Osaka Ironworks .
S2: Originally , Ross was imprisoned in North Point , then marched to Habu Dockyard , and finally shipped to Innoshima , where he worked for Osaka Ironworks in Sham Shui Po Barracks .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Had the Immigration Officer intended on arrival that asylum was known , then he would not have granted entry as a visitor .
S2: If the immigration official had known that asylum was intended on arrival , he would not have granted entry as a visitor .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no