question: OPTIONS:
- yes
- no
The model of the church was the Hagia Sophia in Constantinople, and it was also called Saint Sophia Cathedral.
What was used as a model for the church Yaroslav commissioned?

answer: yes

question: OPTIONS:
- yes
- no
It was found that very pure tungsten formed filaments that sagged in use, and that a very small "doping" treatment with potassium, silicon, and aluminium oxides at the level of a few hundred parts per million greatly improved the life and durability of the tungsten filaments.
When was the tungsten filament introduced?

answer: no

question: OPTIONS:
- yes
- no
India: Due to concerns about pro-Tibet protests, the relay through New Delhi on April 17 was cut to just 2.3 km (less than 1.5 miles), which was shared amongst 70 runners.
How many bearers of the torch were used in India?

answer: yes

question: OPTIONS:
- yes
- no
In some cases the invaders are causing drastic changes and damage to their new habitats (e.g.: zebra mussels and the emerald ash borer in the Great Lakes region and the lion fish along the North American Atlantic coast).
What invaders are causing changes along the North American Atlantic coast?

answer:
yes