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: Wang Han is from China.

A: Wang Han
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Q: one of the ingredients of the BLT sandwich is Lettuce.

A: BLT
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Q: The Parliament of the United Kingdom is the leader of London.

A:
London
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