Assertion: firework's effect | /r/HasProperty | assessed
Facets:
value: firstly
type: MANNER
Source sentences:
text: The effects of the burning of fireworks on air quality in Beijing was firstly assessed from the ambient concentrations of various air pollutants (SO 2 , NO 2 , PM 2.5 , PM 10 and chemical components in the particles) during the lantern festival in 2006.