Johann Nikolaus von Dreyse
Table:
Johann Nikolaus von Dreyse

Born	(1787-11-20)20 November 1787

Sömmerda, Electorate of Mainz

Died	9 December 1867(1867-12-09) (aged 80)

Sömmerda, Prussia

Nationality	German
Occupation(s)	Inventor, Entrepreneur
Known for	designing the Dreyse needle gun

Consulting the table, state whether the hypothesis is entailed, neutral, or refuted. Output only the JSON object {"answer": "YOUR ANSWER"}.

Assertion: Johann Nikolaus von Dreyse's only invention was the needle gun.

answer: neutral