['cavern', 'flood', 'EmptyParameter', 'gas', 'with']
['<LOCATION>5', 'other_cos-45.4', 'EmptyParameter', "Synset('chemical_phenomenon.n.01')", 'with']
The cavern is flooded with poisonous fluorine gas.
the <LOCATION>5 is flooded with poisonous Synset('substance.n.01') Synset('chemical_phenomenon.n.01').