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.

Example Input: lactarius torminosus, commonly known as the woolly milkcap or the bearded milkcap, is a mushroom in the genus "lactarius".
Example Output: lactarius torminosus

Example Input: lee bowyer (born 3 january 1977) is an english football player.
Example Output: lee bowyer

Example Input: wadjet is a goddess in egyptian mythology.
Example Output:
wadjet