Brian Johnson
Table:
Brian Johnson

Johnson with AC/DC on 23 November 2008 in Saint Paul, Minnesota

Background information
Birth name	Brian Francis Johnson
Born	(1947-10-05) 5 October 1947 (age 77)
Dunston, England
Genres	Hard rock, rock and roll, blues rock, glam rock, heavy metal
Occupation(s)	Musician, singer-songwriter
Instrument	Vocals
Years active	1970–present
Labels	EMI, Epic, Atlantic

Website	acdc.com

Consulting the table, assess whether the statement is entailed, neutral, or refuted. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Statement: It's been less than 55 years that Brian Johnson has been active in his career.

answer: entailed