Joseph Aspdin
Table:
Joseph Aspdin

Born	(1778-12-25)December 25, 1778

Leeds, England

Died	March 20, 1855(1855-03-20) (aged 76)

Wakefield, England

Scientific career
Fields	British mason, bricklayer and inventor of Portland cement

From the table, judge whether the statement is entailed, neutral, or refuted according to the table. Give your final answer in JSON format {"answer": "YOUR ANSWER"}.

Claim: Joseph Aspdin was a bricklayer before he was a mason.

answer: neutral