Problem: S1: The Oraciu River or Orociu River is a tributary of the Pustnic River in Romania .
S2: The Oraciu River or Orociu is a tributary of the Pustnic River in Romania .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Bjorn Freiberg ( born March 28 , 1970 in Isny , Allgau ) is a former actor , writer , translator , and German university teacher .
S2: Bjorn Freiberg ( born 28 March 1970 in Isny im Allgau ) is a former actor , painter , author , translator and German University teacher .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: However , the Tang did not proceed any further after the battle , and the Arabs retained their Central Asian territories until the An Lushan rebellion .
S2: The Arabs , however , did not proceed after the battle , and the Tang retained their Central Asian territories until the rebellion in An Lushan .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no