You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : Zeta Horologii (ζ Horologii, ζ Hor) is a yellow-white (6/10 towards yellow) main sequence star of apparent visual magnitude 5.21 in the constellation Horologium. 
Question : Which constellation is Zeta Horologii in?
Output:
Horologium