Task: Named Entity Recognition
Input (English): Rock begins as magma from a volcano. The magma cools. Crystals form and the magma become igneous rocks. The igneous rocks break down into sediment. Become sedimentary rocks. If subjected to heat and/or pressure from plate-tectonic activity the sedimentary rocks become metamorphic rock. The metamorphic rocks melt. Become magma again. 
Output (English): magma ,crystals ,igneous rocks ,sediment ,sedimentary rocks ,metamorphic rocks ,rock