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: real madrid castilla is a spanish football team.

SOLUTION: real madrid castilla

PROBLEM: maicon douglas sisenando (born 26 july 1981) is a brazilian football player.

SOLUTION: maicon douglas sisenando

PROBLEM: odd future is a group of hip hop musicians from los angeles, united states.

SOLUTION:
odd future