( ( A well ) ( ( is ( ( a hole ) ( ( ( drilled ( into ( an aquifer ) ) ) , ) ( like ( ( the one ) ( ( ( described above ) , ) ( by ( a ( water supplier ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN well)) (VP (VBZ is) (NP (NP (DT a) (NN hole)) (VP (VBN drilled) (PP (IN into) (NP (DT an) (NN aquifer))) (, ,) (PP (IN like) (NP (NP (DT the) (NN one)) (VP (VBN described) (ADVP (RB above)) (, ,) (PP (IN by) (NP (DT a) (NN water) (NN supplier))))))))) (. .)))
A well is a hole drilled into an aquifer, like the one described above, by a water supplier.
(ROOT (S (NP (DT A) (-LRB- -LRB-) (NN n) (-RRB- -RRB-)) (ADVP (RB well)) (VP (VBZ is) (NP (NP (DT a) (NN hole)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN dug) (CC or) (VBN drilled) (PP (IN through) (NP (NP (DT the) (NN ground)) (ADVP (RB down) (PP (TO to) (NP (DT an) (NN aquifer)))))))))))) (. .)))