Assertion: violet's song | /r/AtLocation | development
Facets:
value: for a number of years
type: TEMPORAL
value: prior to its completion
type: TEMPORAL
value: with the first line
type: OTHER
Source sentences:
text: Coldplay vocalist Chris Martin revealed that the song had been in development for a number of years, with the first line and the first little melody of the song written, prior to its completion in 2007.