Problem: S1: Some of the visual effects used for these events are deliberately fake , while others are very realistic .
S2: Some of the visual effects used for these events are deliberately fake , whereas others are very realistic .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The bridge starts in Sweden and the tunnel in Denmark .
S2: The bridge starts in Sweden and the tunnel is in Denmark .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Some authors split the species in two , regarding the Russian and central Asian populations as '' Fallopia aubertii '' and the Chinese species as '' F. baldschuanica '' .
S2: Some authors share the species in two , the Russian and Central Asian populations as '' Fallopia aubertii '' and the Chinese species as '' F. baldschuanica '' .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes