Assertion: powerful curse | /r/HasProperty | placed upon marvolo gaunt's ring
Facets:
value: around the time
type: TEMPORAL
value: as a defence against anyone
type: PURPOSE
Source sentences:
text: A powerful curse was placed upon Marvolo Gaunt's Ring, around the time that Lord Voldemort turned it into a Horcrux, as a defence against anyone who might try to destroy it.