( This ( ( causes ( the ( water ( to ( fall ( as ( ( ( solid ice ) , ) ( known ( ( ( ( as hail ) , ) or ) ( as snow ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ causes) (NP (DT the) (NN water) (S (VP (TO to) (VP (VB fall) (PP (IN as) (NP (NP (JJ solid) (NN ice)) (, ,) (VP (VBN known) (PP (PP (IN as) (NP (NN hail))) (, ,) (CC or) (PP (IN as) (NP (NN snow)))))))))))) (. .)))
This causes the water to fall as solid ice, known as hail, or as snow.
(ROOT (S (NP (NP (NNP Hail)) (PP (IN during) (NP (DT a) (NN storm)))) (VP (VBZ describes) (NP (NP (NN water)) (PP (IN in) (NP (DT a) (JJ solid) (NN state))))) (. .)))