Assertion: zeppelin's airship | /r/HasProperty | filled with flammable hydrogen
Facets:
value: highly
type: DEGREE
Source sentences:
text: Though it was designed to be filled with helium gas, the airship was filled with highly flammable hydrogen because of export restrictions by the United States against Nazi Germany.
text: Mathy’s airship was a giant cigar-shaped cylinder of gas bubbles filled with highly flammable hydrogen.