Assertion: literature | /r/HasProperty | oral
Facets:
value: exclusively
type: DEGREE
value: until that time
type: TEMPORAL
Source sentences:
text: Until that time, literature had to be oral for the large part of the population.
text: But even the most advanced pre-Columbian civilizations lacked alphabetic writing, so their “literature” was exclusively oral (if one includes various mnemonic ideographs and pictographs), kept by the memory of individuals entrusted with that task and by the collectivity.