chemical plant explosion occurred during freezing temperatures, when a loss of water caused firefighters' hoses to freeze.
(chemical plant explosion; occurred; T:during freezing temperatures) (a loss of water; caused; firefighters' hoses to freeze) Context(a loss of water caused,List([69, 91))):(firefighters' hoses; to freeze; )
a loss of water caused,List([69, 91))
chemical plant explosion a loss of water firefighters' hoses
occurred caused to freeze
T:during freezing temperatures
firefighters' hoses to freeze