Bituminous and anthracite are types of what?
bituminous and anthracite are types of what
FreebaseQA-train-1301.P0 FreebaseQA-train-1301.P1 FreebaseQA-train-1301.P2 FreebaseQA-train-1301.P3
anthracite bituminous bituminous types
anthracite bituminous coal bituminous coal lignite
m.018ykx m.0bpcrqg m.0qkw6 m.0brlq
geology.rock_type.parent_rock_type base.skosbase.skos_concept.broader geology.rock_type.parent_rock_type geology.rock_type.parent_rock_type
m.01sy7
coal
m.0bpcrqd
coal
m.01sy7
coal
m.01sy7
coal