He was outside alot over the past weekend and has been drinking copious amounts of fluid over the past few days to stay hydrated.
 patient is dehydrated
(ROOT (S (NP (PRP He)) (VP (VP (VBD was) (NP (JJ outside) (NN alot)) (PP (IN over) (NP (DT the) (JJ past) (NN weekend)))) (CC and) (VP (VBZ has) (VP (VBN been) (VP (VBG drinking) (NP (NP (JJ copious) (NNS amounts)) (PP (IN of) (NP (NN fluid)))) (PP (IN over) (NP (DT the) (JJ past) (JJ few) (NNS days))) (S (VP (TO to) (VP (VB stay) (ADVP (RB hydrated))))))))) (. .)))
(ROOT (S (NP (NN patient)) (VP (VBZ is) (VP (VBN dehydrated)))))
( He ( ( ( ( ( was ( outside alot ) ) ( over ( the ( past weekend ) ) ) ) and ) ( has ( been ( ( ( drinking ( ( copious amounts ) ( of fluid ) ) ) ( over ( the ( past ( few days ) ) ) ) ) ( to ( stay hydrated ) ) ) ) ) ) . ) )
( patient ( is dehydrated ) )