( ( Major issue ) ( ( is ( outflow ( of ( water ( from ( Lake Lowry ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Major) (NN issue)) (VP (VBZ is) (NP (NP (NN outflow)) (PP (IN of) (NP (NP (NN water)) (PP (IN from) (NP (NNP Lake) (NNP Lowry))))))) (. .)))
Major issue is outflow of water from Lake Lowry.
(ROOT (S (NP (NNP Water)) (VP (VP (VBZ leaves) (NP (NNS ponds) (CC and) (NNS lakes)) (PP (IN through) (NP (NN evaporation)))) (CC and) (VP (ADVP (RB also)) (PP (IN as) (NP (NN outflow))))) (. .)))