( ( The ( first ( RET sessions ) ) ) ( ( focus ( on ( ( pre-birth ( , ( birth ( , ( infancy ( and ( the influence ) ) ) ) ) ) ) ( of parents ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ first) (NNP RET) (NNS sessions)) (VP (VBP focus) (PP (IN on) (NP (NP (JJ pre-birth) (, ,) (NN birth) (, ,) (NN infancy) (CC and) (DT the) (NN influence)) (PP (IN of) (NP (NNS parents)))))) (. .)))
The first RET sessions focus on pre-birth, birth, infancy and the influence of parents.
(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)))) (. .)))