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.

lee bowyer (born 3 january 1977) is an english football player.
lee bowyer

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

drift mining is a way of mining where tunnels are dug horizontally.
drift mining