( ( Groundwater ( and ( surface waters ) ) ) ( ( are connected ) . ) )
(ROOT (S (NP (NNP Groundwater) (CC and) (NN surface) (NNS waters)) (VP (VBP are) (VP (VBN connected))) (. .)))
Groundwater and surface waters are connected.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (S (NP (DT the) (NN ground)) (VP (VBZ absorbs) (NP (DT the) (NN water)))) (CC and) (S (NP (PRP it)) (VP (VBZ settles) (PP (IN below) (NP (DT the) (NN surface))))))) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (NN groundwater)))) (. .)))