It was written by Dan Shiovitz and was inspired by the Perl infobot Purl.

Entity and relation annotations:
id: 0
type: entity
value: text: Dan Shiovitz
labels: <Person>
id: 1
type: entity
value: text: Perl
labels: <Production>
id: 2
type: entity
value: text: the Perl infobot Purl
labels: <Production>