On arrival to the MICU, the pt is resting comfortably, denies lightheadedness.
 The patient requires a high level of care. 
(ROOT (SINV (S (PP (IN On) (NP (NP (NN arrival)) (PP (TO to) (NP (DT the) (NNP MICU))))) (, ,) (NP (DT the) (NN pt)) (VP (VBZ is) (VP (VBG resting) (ADVP (RB comfortably))))) (, ,) (VP (VBZ denies)) (NP (NN lightheadedness)) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ requires) (NP (NP (DT a) (JJ high) (NN level)) (PP (IN of) (NP (NN care))))) (. .)))
( ( ( On ( arrival ( to ( the MICU ) ) ) ) ( , ( ( the pt ) ( is ( resting comfortably ) ) ) ) ) ( , ( ( denies lightheadedness ) . ) ) )
( ( The patient ) ( ( requires ( ( a ( high level ) ) ( of care ) ) ) . ) )