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

Consulting the table, decide if the statement is entailed, neutral, or refuted by the data. Provide the verdict inside {"answer": "YOUR ANSWER"} as JSON.

Statement: Joseph Aspdin was involved in bricklayer and was inventor of Portland cement.

answer: entailed