[Q]: US Secretary of State Hillary Clinton has urged all 70 nations attending a conference on Afghanistan's future to help the country succeed. She told delegates at the one-day event in The Hague that the international effort there had been "undermanned and underfunded" over recent years. Among the countries to offer help has been US foe Iran. The conference comes after the US announced a major policy rethink on its approach towards Afghanistan. The meeting, called by the UN, comes amid widespread concern that not enough progress has been made since the US-led invasion in 2001. Support for Afghan reconstruction is being sought beyond the mainly-Western countries which have troops there. Hillary Clinton was speaking in the Netherlands 
[A]: Yes

[Q]: In mathematics, the Vitali–Carathéodory theorem is a result in real analysis that shows that, under the conditions stated below, integrable functions can be approximated in L from above and below by lower- and upper-semicontinuous functions, respectively. It is named after Giuseppe Vitali and Constantin Carathéodory. Giuseppe Vitali is Italian
[A]: It's impossible to say

[Q]: The AIDS epidemic has taught us a great deal about what it means for an individual to have been abandoned by his family, then become a prominent artist, then be nursed to his death by his partner, or as the language has changed, his significant other, his long time companion, his partner, his spouse. The AIDS epidemic has also taught us about the Jurassic extinction even 65 million years ago.
[A]: It's impossible to say

[Q]: Ferocactus fordii (ford barrel cactus) is a species of flowering plant in the family Cactaceae, native to Baja California in Mexico. It is spherical, growing to 50 cm in diameter, with whitish-grey radial spines and solitary flowers of a deep rose pink, 4 cm in diameter. It grows to 50 inches in diameter. 
[A]:
No