Short leaves of 6 weeks or less (the norm in the United States) were linked to maternal anxiety and depression and negative interactions with babies.
( ( ( ( Short leaves ) ( of ( 6 ( weeks ( or less ) ) ) ) ) ( -LRB- ( ( ( the norm ) ( in ( the ( United States ) ) ) ) -RRB- ) ) ) ( ( were ( ( linked ( to ( maternal ( anxiety ( and ( depression ( and ( negative interactions ) ) ) ) ) ) ) ) ( with babies ) ) ) . ) )
(ROOT (S (NP (NP (NP (JJ Short) (NNS leaves)) (PP (IN of) (NP (CD 6) (NNS weeks) (QP (CC or) (JJR less))))) (PRN (-LRB- -LRB-) (NP (NP (DT the) (NN norm)) (PP (IN in) (NP (DT the) (NNP United) (NNPS States)))) (-RRB- -RRB-))) (VP (VBD were) (VP (VBN linked) (PP (TO to) (NP (JJ maternal) (NN anxiety) (CC and) (NN depression) (CC and) (JJ negative) (NNS interactions))) (PP (IN with) (NP (NNS babies))))) (. .)))
It is encouraged that parents don't stay away from their children for more than 6 weeks.
( It ( ( is ( encouraged ( that ( parents ( ( do n't ) ( ( stay away ) ( from ( ( their children ) ( for ( ( more ( than 6 ) ) weeks ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN encouraged) (SBAR (IN that) (S (NP (NNS parents)) (VP (VBP do) (RB n't) (VP (VB stay) (PRT (RP away)) (PP (IN from) (NP (NP (PRP$ their) (NNS children)) (PP (IN for) (NP (QP (JJR more) (IN than) (CD 6)) (NNS weeks))))))))))) (. .)))