Problem: Does "During these promotions, the Windows Media Center add-on for Windows 8 Pro was also offered for free." answer the question "During it's launch how much was a Windows 8 upgrade?"

A: no

Problem: Does "The standard description of measurement in quantum mechanics is also time asymmetric (see Measurement in quantum mechanics)." answer the question "The standard description of measurement in quantum mechanics is what?"

A: yes

Problem: Does "On 30 April a NATO airstrike killed Gaddafi's sixth son and three of his grandsons in Tripoli, though Gaddafi and his wife were unharmed." answer the question "On what date did NATO kill Gaddafi's son?"

A:
yes