The conversation between human and AI assistant.
[|Human|] Given a reference text about the Cuban Missile Crisis, when did the crisis occur and how long did it last?
[|AI|] The Cuban Missile crises lasted 35 days, from October 16 to November 20, 1962.
[|Human|] 
Given a reference text about the Cuban Missile Crisis, when did the crisis occur and how long did it last?