Through repetition of the task and coaching by experts, the operator would become very productive.
( ( Through ( repetition ( of ( ( the ( ( task and ) coaching ) ) ( by experts ) ) ) ) ) ( , ( ( the operator ) ( ( would ( become ( very productive ) ) ) . ) ) ) )
(ROOT (S (PP (IN Through) (NP (NP (NN repetition)) (PP (IN of) (NP (NP (DT the) (NN task) (CC and) (NN coaching)) (PP (IN by) (NP (NNS experts))))))) (, ,) (NP (DT the) (NN operator)) (VP (MD would) (VP (VB become) (ADJP (RB very) (JJ productive)))) (. .)))
The operator would become productive as a result of repetition and expert coaching.
( ( The operator ) ( ( would ( ( become productive ) ( as ( ( a result ) ( of ( repetition ( and ( expert coaching ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN operator)) (VP (MD would) (VP (VB become) (ADJP (JJ productive)) (PP (IN as) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (NN repetition) (CC and) (NN expert) (NN coaching))))))) (. .)))