David Ronald de Mey WarrenAO
Table:
David Ronald de Mey Warren

AO

Born	(1925-03-20)20 March 1925

Groote Eylandt, Northern Territory, Australia

Died	19 July 2010(2010-07-19) (aged 85)

Melbourne, Australia

Nationality	Australian
Alma mater	University of Sydney
Imperial College London
University of Melbourne
Known for	Flight data recorder, cockpit voice recorder, "the black box"
Scientific career
Institutions	Defence Science and Technology Organisation

Consulting the table, identify if the claim is entailed, neutral, or refuted. Return the result as JSON: {"answer": "YOUR ANSWER"}.

Assertion: David Ronald de Mey Warren never went on a plane in their life.

answer: refuted