Assertion: novel | /r/HasProperty | notable
Facets:
value: for its controversial subject
type: CAUSE
Source sentences:
text: The novel is notable for its controversial subject: the protagonist and unreliable narrator, a middle-aged literature professor under the pseudonym Humbert Humbert, is obsessed with a 12-year-old girl, Dolores Haze, with whom he becomes sexually involved after he becomes her stepfather.