( ( An element ) ( ( is ( ( a substance ) ( made ( from ( ( only ( one type ) ) ( of atom ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT An) (NN element)) (VP (VBZ is) (NP (NP (DT a) (NN substance)) (VP (VBN made) (PP (IN from) (NP (NP (RB only) (CD one) (NN type)) (PP (IN of) (NP (NN atom)))))))) (. .)))
An element is a substance made from only one type of atom .
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (NNS elements)) (SBAR (WHNP (WDT that)) (S (VP (VBP contain) (NP (NP (JJ only) (NNS atoms)) (PP (IN of) (NP (NP (CD one) (NN type)) (PP (IN of) (NP (NN element) (NN native) (NNS elements))))))))))) (. .)))