Chet Baker
Table:
Chet Baker

Chet Baker in 1983

Background information
Birth name	Chesney Henry Baker
Born	(1929-12-23)December 23, 1929
Yale, Oklahoma, United States
Died	May 13, 1988(1988-05-13) (aged 58)
Amsterdam, Netherlands
Genres	Cool jazz, bebop, West Coast jazz
Occupation(s)	Musician, singer
Instrument(s)	Trumpet, vocals, piano[1]
Years active	1949–88[2]
Labels	Pacific Jazz, RCA, Epic

From the table, state whether the hypothesis is entailed, neutral, or refuted. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Sentence: Chet Baker was active since his teenage years.

answer: refuted