Witness the following conclusion by a researcher who compared American with Japanese infant rearing   An American mother-infant relationship consists of two individuals . . . a Japanese mother-infant relationship consists of only one individual, i.e., mother and infant are not divided. 
( ( ( Witness ( the ( following conclusion ) ) ) ( by ( ( a researcher ) ( who ( ( ( compared American ) ( with ( Japanese infant ) ) ) ( rearing ( ( ( ( ( ( ( ( An ( American ( mother-infant relationship ) ) ) ( consists ( of ( two individuals ) ) ) ) ... ) ( ( a ( Japanese ( mother-infant relationship ) ) ) ( consists ( of ( only ( one individual ) ) ) ) ) ) , ) i.e. ) , ) ( ( ( mother and ) infant ) ( ( are not ) divided ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Witness) (NP (DT the) (VBG following) (NN conclusion)) (PP (IN by) (NP (NP (DT a) (NN researcher)) (SBAR (WHNP (WP who)) (S (VP (VBD compared) (NP (NNP American)) (PP (IN with) (NP (JJ Japanese) (NN infant))) (S (VP (VBG rearing) (S (S (NP (DT An) (JJ American) (JJ mother-infant) (NN relationship)) (VP (VBZ consists) (PP (IN of) (NP (CD two) (NNS individuals))))) (: ...) (S (NP (DT a) (JJ Japanese) (JJ mother-infant) (NN relationship)) (VP (VBZ consists) (PP (IN of) (NP (RB only) (CD one) (NN individual))))) (, ,) (INTJ (UH i.e.)) (, ,) (S (NP (NN mother) (CC and) (NN infant)) (VP (VBP are) (RB not) (ADJP (VBN divided))))))))))))) (. .)))
The following conclusion by a researcher who compared American with Japanese infants.
( ( ( The ( following conclusion ) ) ( by ( ( a researcher ) ( who ( ( compared American ) ( with ( Japanese infants ) ) ) ) ) ) ) . )
(ROOT (NP (NP (DT The) (JJ following) (NN conclusion)) (PP (IN by) (NP (NP (DT a) (NN researcher)) (SBAR (WHNP (WP who)) (S (VP (VBD compared) (NP (NNP American)) (PP (IN with) (NP (JJ Japanese) (NNS infants)))))))) (. .)))