Problem: S1: SWAs are responsible for urban water supply , in some countries also for rural water supply .
S2: SWAs are responsible for rural water supply , and in some states also for urban water supply .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Kunkuri is the hottest region in Nichghat during the summer and Pandrapat is the coldest region in Upper Ghat in the winter .
S2: Kunkuri is the coldest region in Nichghat in summer and Pandrapat is the hottest region in Upper Ghat in winter .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Tipsarevic began playing tennis at age six , and at the age of nine , started playing at the New Belgrade Tennis Club with Russian coach Roman Savochkin .
S2: Tipsarevic started playing tennis at the age of six , and at the age of nine he began with the Russian coach Roman Savochkin at the New Belgrade Tennis Club .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes