Assertion: punk | /r/CapableOf | shorten to punk
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Punk rock (sometimes shortened to 'punk') is a form of hard-edged rock music part of the alternative subculture that features electric guitars playing power chords, deep bass lines, energetic drumming and energetic beats, either singed or yelled vocals and a loud hard rock volume which originally rooted from pub rock and even garage rock.