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.
--------
Question: the english cocker spaniel is a breed of dog.

Answer: english cocker spaniel

Question: the mini estadi (english: mini stadium) is the home stadium of fc barcelona b, the reserve team of fc barcelona.

Answer: mini estadi

Question: mindless behavior is an american boy band.

Answer:
mindless behavior