Assertion: promise | /r/HasProperty | written
Facets:
value: normally only once
type: TEMPORAL
Source sentences:
text: Promise" was co-written and produced by Rico Love and features Usher singing on bachata rhythm for the first time.
text: Futures and promises are pretty similar concepts, the difference is that a future is a read-only container for a result that does not yet exist, while a promise can be written (normally only once).
text: Influenced by Phil Spector and music of the 1960s, "The Promise" is an upbeat love song that was written to announce Girls Aloud as "a supergroup.