Assertion: fog | /r/HasProperty | factor
Facets:
Source sentences:
text: A 2014 report by the AAA Foundation for Traffic Safety, looking at federal crash data on fatal crashes from 1990 to 2012 and police-reported crashes from 1990 to 2008, found that fog was a factor in nearly 20 percent of deadly multicar pileups involving 10 or more vehicles.