<def-root>In this frame the <fen>Patient</fen>, an inorganic item, undergoes a chemical process which renders it less useful, desirable or stable. <ex></ex> <ex> <fex name="Patient">The bike</fex> <t>rusted</t>. </ex><ex><fex name="Patient">The metal</fex> <t>corroded</t> <fex name="Result">into a mass of slime</fex>.</ex> <ex><fex name="Patient">The bikes</fex> <t>rusted</t> <fex name="I-state">from their former beauty</fex>.</ex></def-root>
<def-root><fen>Initial_state</fen> is the original state of the <fen>Patient</fen>. <ex>The bikes <t>RUSTED</t> <fex name="I-state">from their former beauty</fex>.</ex></def-root>
<def-root>This FE identifes the <fen>Duration</fen> of time for which the <fen>Patient</fen> corrodes.</def-root>
<def-root>The <fen>Place</fen> where the <fen>Patient</fen> corrodes.</def-root>
<def-root>This FE identifies the <fen>Explanation</fen> for which the <fen>Patient</fen> corrodes.</def-root>
<def-root>This FE identifies the <fen>Result</fen> of the change of phase.
<ex>The metal <t>corroded</t> <fex name="Result"> into a mass of slime </fex> . </ex></def-root>
<def-root>The <fen>Time</fen> when the <fen>Patient</fen> corrodes.</def-root>
<def-root>The <fen>Patient</fen> undergoes a change. <ex><fex name="Patient">The bikes</fex> <t>rusted</t> from their former beauty.</ex> </def-root>
<def-root>This FE identifies the <fen>Degree</fen> to which the <fen>Patient</fen> corrodes.</def-root>
<def-root>The <fen>Subregion</fen> describes which part of a larger whole is being affected.
<ex>The metal <t>rusted</t> <fex name="sub">around the edges </fex>.</ex></def-root>
<def-root>This FE identifies the <fen>Speed</fen> at which the <fen>Patient</fen> corrodes.</def-root>
COD: be affected with rust.
COD: be destroyed or damaged (metal or other hard material) slowly by chemical action.
FN: to become combined with oxygine resulting in corrosion