( ( ( The formula ) ( for water ) ) ( , ( ( H ( 2 0 ) ) ( , ( ( shows ( that ( ( each molecule ) ( contains ( ( ( ( two atoms ) ( of hydrogen ) ) and ) ( ( one atom ) ( of oxygen ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NN formula)) (PP (IN for) (NP (NN water)))) (, ,) (S (VP (VBG H) (NP (CD 2) (CD 0)))) (, ,) (VP (VBZ shows) (SBAR (IN that) (S (NP (DT each) (NN molecule)) (VP (VBZ contains) (NP (NP (NP (CD two) (NNS atoms)) (PP (IN of) (NP (NN hydrogen)))) (CC and) (NP (NP (CD one) (NN atom)) (PP (IN of) (NP (NN oxygen))))))))) (. .)))
The formula for water, H 2 0, shows that each molecule contains two atoms of hydrogen and one atom of oxygen.
(ROOT (S (NP (NP (CD 2) (NN hydrogen)) (, ,) (NP (CD 1) (NN oxygen) (NNS atoms))) (VP (VBP combine) (S (VP (TO to) (VP (VB make) (PRT (RP up)) (NP (NP (DT a) (NN molecule)) (PP (IN of) (NP (NN water)))))))) (. .)))
2 hydrogen, 1 oxygen atoms combine to make up a molecule of water.