Sales of goods and services in undercover operations.
( ( ( Sales ( of ( ( goods and ) services ) ) ) ( in ( undercover operations ) ) ) . )
(ROOT (NP (NP (NNS Sales)) (PP (IN of) (NP (NNS goods) (CC and) (NNS services))) (PP (IN in) (NP (JJ undercover) (NNS operations))) (. .)))
Goods and Services are sold by undercover agents..
( ( ( Goods and ) Services ) ( ( are ( ( sold ( by ( undercover agents ) ) ) . ) ) . ) )
(ROOT (S (NP (NNP Goods) (CC and) (NNP Services)) (VP (VBP are) (VP (VBN sold) (PP (IN by) (NP (JJ undercover) (NNS agents))) (. .))) (. .)))