Problem: ZanAir Limited is a domestic airline based in Zanzibar , Tanzania . ZanAir was founded in 1992 in Zanzibar and is one of the most experienced airlines in Tanzania .
ZanAir Limited is a domestic airline based in Zanzibar , Tanzania ZanAir was founded in Tanzania in 1992 and is one of the most experienced airlines in Zanzibar .
OPTIONS:
- no
- yes
-+-
A: no

Problem: The Giumalau River is a tributary of the River Rusca in Romania .
The Giumalau River is a tributary of the Rusca River in Romania .
OPTIONS:
- no
- yes
-+-
A: yes

Problem: The Vacaria River is a tributary of the Pilugul River in Romania .
The Pilugul River is a tributary of the river Vacaria in Romania .
OPTIONS:
- no
- yes
-+-
A:
no