Definition: In this task, you are given a statement spoken by a politician in natural language. Your task is to generate the subject of the discussion for the given statement. The subject generated is not necessarily a part of the given input. Your answer should contain one or more words.
Input: When President Obama landed in Cuba on Air Force One, no leader was there, nobody, to greet him -- perhaps an incident without precedent in the long and prestigious history of Air Force One.

foreign-policy