Task: Text Categorization
Input (English): When formed underneath glaciers, these landforms can cause devastating floods known as jokulhaups (yoe-kull-howps). A pyroclastic flow may stem from these landforms, which can excrete material known as pahoehoe (pa-HOY-hoy) and aa (ah-ah). Broadly, these landforms are classified into composite, (*) shield, and cinder types. For 10 points, name these landforms, prominent around the Earth's ""ring of fire,"" which are formed where magma can reach the earth's surface.
Output (English): Science