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: a breed is a domesticated race or type of an animal or plant.

SOLUTION: breed

PROBLEM: summerslam (2001) was a professional wrestling pay-per-view show made by world wrestling federation (wwf).

SOLUTION: summerslam (2001)

PROBLEM: north by northwest is a 1959 movie thriller from metro-goldwyn-mayer.

SOLUTION:
north by northwest