Karl Ferdinand Braun
Table:
Karl Ferdinand Braun

Born	(1850-06-06)6 June 1850

Fulda, Electorate of Hessen, German Confederation

Died	20 April 1918(1918-04-20) (aged 67)

Brooklyn, New York, U.S.

Nationality	German
Alma mater	University of Marburg,
University of Berlin
Known for	Cathode ray tube, Cat's whisker diode
Awards	Nobel Prize in Physics (1909)
Scientific career
Fields	Physics
Institutions	University of Karlsruhe,
University of Marburg,
University of Strassburg,
University of Tübingen,
University of Würzburg
Doctoral advisor	A. Kundt,
G. H. Quincke
Doctoral students	L. I. Mandelshtam,
A. Schweizer

Looking at the table, identify if the claim is entailed, neutral, or refuted. Output only the JSON object {"answer": "YOUR ANSWER"}.

Claim: Karl Ferdinand Braun's Nobel Prize in Physics was due to his work related to the cathode ray tube.

answer: neutral