Heat below the earth's surface causes rock to melt into magma.
(Heat below the earth's surface; causes; rock to melt into magma) Context(Heat below the earth 's surface causes,List([0, 37))):(rock; to melt; into magma)
Heat below the earth 's surface causes,List([0, 37))
Heat below the earth's surface rock
causes to melt
rock to melt into magma
into magma