This task is about identifying the subject of a given sentence. The subject of a sentence is the person, place, or thing that is performing the action of the sentence. The subject represents what or whom the sentence is about. Each sentence in this task is guaranteed to contain a single subject. The input is a sentence and the output is the identified subject of that sentence.

Q: The United States leader was called Joe Biden.

A: United States
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Q: Racing Club de Dakar won the runner-up of French West African Cup in 1949

A: 1949
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Q: Nina Hagen acted in the 1979 film Cha-Cha.

A:
Cha-Cha
****