( Now ( ( ( ( ( good-hearted Charlie ) , ) ( ( a ( ( mentally challenged ) ( bakery worker ) ) ) ( with ( ( an IQ ) ( of 68 ) ) ) ) ) , ) ( ( becomes ( the ( first ( human ( to ( undergo ( the ( experimental procedure ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Now)) (NP (NP (JJ good-hearted) (NNP Charlie)) (, ,) (NP (NP (DT a) (ADJP (RB mentally) (JJ challenged)) (NN bakery) (NN worker)) (PP (IN with) (NP (NP (DT an) (NNP IQ)) (PP (IN of) (NP (CD 68)))))) (, ,)) (VP (VBZ becomes) (NP (DT the) (JJ first) (NN human) (S (VP (TO to) (VP (VB undergo) (NP (DT the) (JJ experimental) (NN procedure))))))) (. .)))
Now good-hearted Charlie, a mentally challenged bakery worker with an IQ of 68, becomes the first human to undergo the experimental procedure.
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (DT the) (NN heart)) (VP (VBZ is) (NP (DT the) (JJ first) (NN organ) (S (VP (TO to) (VP (VP (VB form)) (CC and) (VP (VB become) (ADJP (JJ functional)))))))) (. .)))