Does the sentence "Many of these were sold as surplus by the military during the 1990s, often without the controller software." provide a valid answer to the question "A combination computer/LD player was comissioned by what government entity?"

A: no

Does the sentence "Namibia extends from 17S to 25S: climatically the range of the sub-Tropical High Pressure Belt, arid is the overall climate description descending from the Sub-Humid (mean rain above 500 mm) through Semi-Arid between 300 and 500 mm (embracing most of the waterless Kalahari) and Arid from 150 to 300 mm (these three regions are inland from the western escarpment) to the Hyper-Arid coastal plain with less than a 100 mm mean." provide a valid answer to the question "What is the arid measurement in Namibia?"

A: yes

Does the sentence "Most of these companies, many of which are internationally known brands, are located within the departure areas." provide a valid answer to the question "Where are most of these companies located in an airport?"

A: yes

Does the sentence "The volume "Credit Correlation: Life After Copulas", published in 2007 by World Scientific, summarizes a 2006 conference held by Merrill Lynch in London where several practitioners attempted to propose models rectifying some of the copula limitations." provide a valid answer to the question "What did the volume "Credit Correlation: Life After Copulas" propose models to rectify?"

A:
yes