Assertion: balabushka cue | /r/HasProperty | separated into time periods
Facets:
value: generally
type: DEGREE
Source sentences:
text: Balabushka cues are generally separated into three distinct classes and time periods related to what blanks Balabushka was using in cue construction: The Titlist blank era (1959–1966), the Burton Spain blank era (1966–1971) and the Gus Szamboti blank era (Late 1960s–1975).