( ( Describe ( ( the ( two types ) ) ( of ( prokaryotic cells ) ) ) ) . )
(ROOT (S (VP (VB Describe) (NP (NP (DT the) (CD two) (NNS types)) (PP (IN of) (NP (JJ prokaryotic) (NNS cells))))) (. .)))
Describe the two types of prokaryotic cells.
(ROOT (S (NP (DT A) (JJ single-celled) (NN prokaryotic)) (VP (VBZ is) (NP (DT a) (NNS bacteria))) (. .)))