Assertion: barrage | /r/HasProperty | opened on 31 october
Facets:
value: officially
type: MANNER
value: as singapore's fifteenth reservoir
type: OTHER
Source sentences:
text: First conceptualised in 1987 by the late Lee Kuan Yew, the Barrage started construction on 22 March 2005, and was officially opened on 31 October 2008 as Singapore's fifteenth reservoir.