Fine-grained (aphanitic) igneous rocks = have minerals too small to see = imply rapid cooling = crystallized at/near the Earth's surface = are volcanic (extrusive) 2.
(igneous rocks; are; volcanic (extrusive) 2) (igneous rocks; have; minerals too small to see) Context(igneous rocks have,List([25, 45))):(igneous rocks; have imply; minerals too small to see)
igneous rocks have,List([25, 45))
igneous rocks igneous rocks igneous rocks
are have have imply
volcanic (extrusive) 2
minerals too small to see
minerals too small to see