question: OPTIONS:
- yes
- no
This can be explained by the fact that Friedman taught Hayek's famous paper "The Use of Knowledge in Society" (1945) in his graduate seminars.
Whose 1980 book mentions "informal" economics?

answer: no

question: OPTIONS:
- yes
- no
Tuvalu participates in the Alliance of Small Island States (AOSIS), which is a coalition of small island and low-lying coastal countries that have concerns about their vulnerability to the adverse effects of global climate change.
What is the AOSIS'S main concern?

answer: yes

question: OPTIONS:
- yes
- no
Furthermore, most of these tents are set up and operated through the support of Natick Soldier Systems Center.
What is the abbreviation for a tactical operations center?

answer: no

question: OPTIONS:
- yes
- no
After a 20-year hiatus, the station was shortly thereafter officially re-launched on April 4, 2011.
When was Somali Nation Television officially re-launched?

answer:
yes