Assertion: fable | /r/HasProperty | prose
Facets:
value: usually
type: DEGREE
value: as long as they teach
type: TEMPORAL
Source sentences:
text: Fables are fictional stories, poems or prose, with a specific moral or lesson that is conveyed to the reader.
text: Fables can be either prose or poetry as long as they teach a lesson.
text: A fable may be set in verse, though it is usually prose.