Assertion: hobbyist | /r/HasProperty | identified under three sub-categories
Facets:
Source sentences:
text: Hobbyists may be identified under three sub-categories: casual leisure which is intrinsically rewarding, short-lived, pleasurable activity requiring little or no preparation, serious leisure which is the systematic pursuit of an amateur, hobbyist, or volunteer that is substantial, rewarding and results in a sense of accomplishment, and finally project-based leisure which is a short-term often a one-off project that is rewarding.