question:
Bern is ranked among the world's top ten cities for the best quality of life (2010).
In what year did the historic old town in the center of Bern become a UNESCO World Heritage Site?

answer: no

question:
There are dozens of prehistoric sites across the Iranian plateau, pointing to the existence of ancient cultures and urban settlements in the 4th millennium BC.
During what Age was Iran the site of several of these ancient civilizations?

answer: no

question:
The genome size, and the number of genes it encodes varies widely between organisms.
What is one characteristic that varies widely between organisms?

answer: yes

question:
The historian Tsepon W. D. Shakabpa supports van Praag's position.
Who supported van Praag's beliefs?

answer:
yes