( Infancy ( ( is ( categorized ( as ( ( lasting ( from birth ) ) ( through ( ( the ( first year ) ) ( of life ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Infancy)) (VP (VBZ is) (VP (VBN categorized) (PP (IN as) (S (VP (VBG lasting) (PP (IN from) (NP (NN birth))) (PP (IN through) (NP (NP (DT the) (JJ first) (NN year)) (PP (IN of) (NP (NN life)))))))))) (. .)))
Infancy is categorized as lasting from birth through the first year of life.
(ROOT (S (NP (NP (DT The) (JJ first) (NN year)) (PP (IN after) (NP (NN birth)))) (VP (VBZ is) (VP (VBN called) (NP (NN infancy)))) (. .)))