TASK DEFINITION: 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.
PROBLEM: The production format for the series with the local title Fort Boyard: Ultimate Challenge was duel.

SOLUTION: Fort Boyard: Ultimate Challenge

PROBLEM: A Romanesque Revival style church in Montreal's Little Italy, specifically designed for an Italian Canadian parish; closely associated with Canada’s oldest Italian community, established in Montreal in the 1860s Is Church of Notre-Dame-de-la-Défense

SOLUTION: Church of Notre-Dame-de-la-Défense

PROBLEM: The University of Delaware joined the Yankee Conference in 1986.

SOLUTION:
University of Delaware