premise: Hydrogen fluoride is a hazardous and highly corrosive chemical compound used mostly for industrial purposes. It is also an ingredient in high-octane gasoline, refrigerants and light bulbs. The driver of the truck, Raymond Leblanc, 54, of Harrow, Ontario, was treated at Pocono Medical Center in East Stroudsburg for minor injuries and released Saturday. A passenger, Joseph Dault, 51, of Ontario, was not hurt.
hypothesis: Joseph Dault is Raymond Leblanc's best friend.