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.

[EX Q]: the bumblebee bat ("craseonycteris thonglongyai"), also known as kitti's hog-nosed bat, is an endangered species of bat.
[EX A]: bumblebee bat

[EX Q]: allan holdsworth (6 august 1946 – 15 april 2017) was a british guitarist and composer.
[EX A]: allan holdsworth

[EX Q]: the michigan international speedway (or mis) is a two-mile (3.22 km) long racetrack.
[EX A]:
michigan international speedway