question:
Several decades later in 1959, the corrupt Cuban government of U.S.-backed Fulgencio Batista was overthrown by Fidel Castro.
When did Fidel Castro overthrow the Cuban government?

answer: yes

question:
Until the 1950s it was generally believed that the brain essentially shuts off during sleep, but this is now known to be far from true; activity continues, but patterns become very different.
There are two types of sleep called what?

answer: no

question:
The state government left Philadelphia in 1799, and the federal government was moved to Washington, DC in 1800 with completion of the White House and Capitol.
What type of economy did Philadelphia have?

answer: no

question:
His first struggles, however, were with Allied leaders and officers on matters vital to the success of the Normandy invasion; he argued with Roosevelt over an essential agreement with De Gaulle to use French resistance forces in covert and sabotage operations against the Germans in advance of Overlord.
Who was the leader of French forces in this period?

answer:
no