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]: enac alumni (also referred to as ingenac) is an alumni association based in toulouse, midi-pyrenees.
[EX A]: enac alumni

[EX Q]: the sunflower ("helianthus annuus") is a living annual plant in the family asteraceae, with a large flower head ("capitulum").
[EX A]: sunflower

[EX Q]: masahito, prince hitachi (, hitachi-no-miya masahito shinno, born 28 november 1935) is a member of the imperial house of japan and the younger brother of emperor akihito.
[EX A]:
masahito, prince hitachi