Q: Does "The sanitarium was then sold to Harvey Adkins in 1928." provide a valid answer to "In what book did Jack Kerouac write about visiting Tucson?"?
A: no

Q: Does "On March 12, 1908, over Keuka Lake, the biplane lifted off on the first public flight in North America.[N 24]" provide a valid answer to "What kind of plane was the Red Wing?"?
A: yes

Q: Does "In the spring of 1800, Napoleon and his troops crossed the Swiss Alps into Italy, aiming to surprise the Austrian armies that had reoccupied the peninsula when Napoleon was still in Egypt.[note 5]" provide a valid answer to "Who led the Austrian forces at the Battle of Marengo?"?
A: no

Q: Does "Nigeria regained democracy in 1999 when it elected Olusegun Obasanjo, the former military head of state, as the new President of Nigeria." provide a valid answer to "How was the 1999 election regarded?"?
A:
no