( ( ( A ( low ( triangular area ) ) ) ( where ( ( a river ) ( divides ( before ( entering ( ( a ( larger body ) ) ( of ( water Delta ) ) ) ) ) ) ) ) ) - )
(ROOT (NP (NP (NP (DT A) (JJ low) (NN triangular) (NN area)) (SBAR (WHADVP (WRB where)) (S (NP (DT a) (NN river)) (VP (VBZ divides) (PP (IN before) (S (VP (VBG entering) (NP (NP (DT a) (JJR larger) (NN body)) (PP (IN of) (NP (NN water) (NN Delta))))))))))) (: -)))
A low triangular area where a river divides before entering a larger body of water Delta -
(ROOT (S (NP (NNP Delta)) (VP (VBZ is) (NP (NP (DT a) (NN triangular) (NN feature)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN river)) (VP (VBZ empties) (PP (IN into) (NP (NP (DT a) (JJ large) (NN body)) (PP (IN of) (NP (RB still) (NN water)))))))))))))) (. .)))