Assertion: poem | /r/HasProperty | characterized
Facets:
value: by having two refrains
type: CAUSE
Source sentences:
text: The villanelle is a nineteen-line poem made up of five triplets with a closing quatrain; the poem is characterized by having two refrains, initially used in the first and third lines of the first stanza, and then alternately used at the close of each subsequent stanza until the final quatrain, which is concluded by the two refrains.