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

Answer: bumblebee bat


Question: hair straightening is when a person makes their hair straighter.

Answer: hair straightening


Question: a standardized test is a test that is done and scored in a consistent, or "standard", manner.

Answer:
standardized test