Gentry is writing a report about the popularity of the community boxing club for youth. He includes information about one boy who is described as pugnacious. Which reference would help Gentry understand the description of the athlete?.

A) A dictionary definition of the word "pugnacious"

B) A description of the boy's boxing style
C) Statistics about the number of youth attending the club
D) A list of the club's rules and regulations

A) A dictionary definition of the word "pugnacious"