( ( ( ( ( An ( organic ( compound ( containing nitrogen ) ) ) ) , ) ( derived ( from ammonia ) ) ) , ) ( ( ( ( NH 3 ) , ) ( by ( ( replacing ( ( ( one or ) more ) ( hydrogen atoms ) ) ) ( by ( as ( many ( hydrocarbon radicals ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ organic) (JJ compound) (NN containing) (NN nitrogen)) (, ,) (VP (VBN derived) (PP (IN from) (NP (NN ammonia)))) (, ,)) (VP (VBD NH) (NP (CD 3)) (, ,) (PP (IN by) (S (VP (VBG replacing) (NP (QP (CD one) (CC or) (JJR more)) (NN hydrogen) (NNS atoms)) (PP (IN by) (PP (IN as) (NP (JJ many) (NN hydrocarbon) (NNS radicals)))))))) (. .)))
An organic compound containing nitrogen, derived from ammonia, NH 3 , by replacing one or more hydrogen atoms by as many hydrocarbon radicals.
(ROOT (S (NP (NNP Water)) (VP (VBZ contains) (NP (CD 3) (NNS atoms))) (. .)))
Water contains 3 atoms.