TASK DEFINITION: Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
PROBLEM: the embassy of russia in copenhagen is the embassy of russia to denmark.

SOLUTION: embassy of russia in copenhagen

PROBLEM: the adelaide cup is a horserace, held in adelaide, south australia.

SOLUTION: adelaide cup

PROBLEM: william jermaine stewart (september 7, 1957 - march 17, 1997) was an american singer.

SOLUTION:
jermaine stewart