Problem: S1: The title and text refer to the portrait of Renaissance painted by Leonardo da Vinci '' Mona Lisa '' .
S2: The title and text refer to the Renaissance - portrait '' Leonardo da Vinci '' by Mona Lisa .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Their leaders sought European protection to stabilize their authority and to support trade .
S2: Their leaders sought European protection to support their authority and stabilize trade .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: People from all over the China come to Lujiang to look at with Zhou Yu 's reverence .
S2: People from all over Lujiang came to China to look at the reverence of Zhou Yu .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no