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.

[Q]: galette, or more properly breton galette is a term used in french cuisine for various types of flat, round or freeform crusty cakes.
[A]: galette

[Q]: hop and go is a 1943 looney tunes short movie directed by u.s. corporal norman mccabe and released to movie theaters by rko radio pictures.
[A]: hop and go

[Q]: an undersea cable or submarine communications cable is a cable that is laid in the sea or in waterways.
[A]:
undersea cable