( ( Geothermal ( Education ( Office ( Geothermal energy ) ) ) ) ( ( is ( ( ( the ( immense source ) ) ( of ( natural heat ) ) ) ( that ( is ( ever-generating ( inside ( the earth ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Geothermal) (NNP Education) (NNP Office) (NNP Geothermal) (NN energy)) (VP (VBZ is) (NP (NP (DT the) (JJ immense) (NN source)) (PP (IN of) (NP (JJ natural) (NN heat))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBG ever-generating) (PP (IN inside) (NP (DT the) (NN earth))))))))) (. .)))
Geothermal Education Office Geothermal energy is the immense source of natural heat that is ever-generating inside the earth.
(ROOT (S (NP (JJ Geothermal) (NN power)) (VP (VBZ is) (VP (VBN generated) (PP (IN via) (NP (NP (JJ underground) (NNS sources)) (PP (IN of) (NP (NN heat))))))) (. .)))
Geothermal power is generated via underground sources of heat.