Problem: The national language is Bhutanese ( Dzongkha ) , one of the 53 languages in the Tibetan family .
The national language is Bhutanese ( Dzongkha ) , one of 53 languages in the Tibetan language family .
OPTIONS:
- no
- yes
-+-
A: yes

Problem: The Fighter Escadrille was at the beginning of the Second World War a unit of the Polish Air Force , which was attached to the odz army .
At the beginning of the Second World War , the Fighter Escadrille was a unit of the odz army , which was attached to the Polish Air Force .
OPTIONS:
- no
- yes
-+-
A: no

Problem: Just before his death , Sergei Yushenkov received threats from a high-ranking FSB general , Aleksander Mikhailov , according to Grigory Pasko .
Shortly before his death , according to Grigory Pasko , Sergei Yushenkov received threats from a high-ranking FSB - General , Aleksander Mikhailov .
OPTIONS:
- no
- yes
-+-
A:
yes