( ( Ice ( to water ) ) ( ( allow ( ( an ( ice cube ) ) ( to ( ( ( change ( its form ) ) ( from ( a solid ) ) ) ( to ( a 2 ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Ice)) (PP (TO to) (NP (NN water)))) (VP (VBP allow) (S (NP (DT an) (NN ice) (NN cube)) (VP (TO to) (VP (VB change) (NP (PRP$ its) (NN form)) (PP (IN from) (NP (DT a) (JJ solid))) (PP (TO to) (NP (QP (DT a) (CD 2)))))))) (. .)))
Ice to water allow an ice cube to change its form from a solid to a 2.
(ROOT (S (NP (NN Ice) (NNS cubes)) (VP (VBP are) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT the) (JJ solid) (NN form)) (PP (IN of) (NP (NN water))))))) (. .)))
Ice cubes are an example of the solid form of water.