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: malva is a genus of about 25-30 species of plants commonly called mallows.

SOLUTION: malva

PROBLEM: regent's canal is a canal in england.

SOLUTION: regent's canal

PROBLEM: drama is a type of literature.

SOLUTION:
drama