Assertion: raven | /r/UsedFor | refer to the raven
Facets:
value: in the famous poem
type: OTHER
Source sentences:
text: In the famous poem, The Raven, Edgar Allan Poe refers to the raven that taps on the narrator’s chamber door on a dark December night as a “grim, ungainly, ghastly, gaunt, and ominous bird of yore.