( ( FROZEN ( EARTH Permafrost ) ) ( ( freezes ( most ( of ( ( the earth ) ( in ( the ( northern regions ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP FROZEN) (NNP EARTH) (NNP Permafrost)) (VP (VBZ freezes) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN earth)) (PP (IN in) (NP (DT the) (JJ northern) (NNS regions))))))) (. .)))
FROZEN EARTH Permafrost freezes most of the earth in the northern regions.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN freshwater)))) (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (ADJP (JJ frozen)))))) (. .)))