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.
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Question: Elizabeth McGovern played Dame Celia Westholme in Agatha Christie: Poirot in 2008

Answer: Agatha Christie: Poirot


Question: Timo Aaltonen ran a distance of 20.12.

Answer: Timo Aaltonen


Question: Antioch, California has postal codes 94509 and 94531.

Answer:
Antioch, California