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 in secret.
( ( ( Goods and ) Services ) ( ( are ( sold ( in secret ) ) ) . ) )
(ROOT (S (NP (NNP Goods) (CC and) (NNP Services)) (VP (VBP are) (VP (VBN sold) (PP (IN in) (NP (NN secret))))) (. .)))