These two accounts are commonly combined in discussing the Social Security program.
( ( These ( two accounts ) ) ( ( ( are commonly ) ( combined ( in ( discussing ( the ( Social ( Security program ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (CD two) (NNS accounts)) (VP (VBP are) (ADVP (RB commonly)) (VP (VBN combined) (PP (IN in) (S (VP (VBG discussing) (NP (DT the) (NNP Social) (NNP Security) (NN program))))))) (. .)))
If the accounts were to be taken individually, the program would not work.
( ( If ( ( the accounts ) ( were ( to ( be ( taken individually ) ) ) ) ) ) ( , ( ( the program ) ( ( ( would not ) work ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT the) (NNS accounts)) (VP (VBD were) (S (VP (TO to) (VP (VB be) (VP (VBN taken) (ADVP (RB individually))))))))) (, ,) (NP (DT the) (NN program)) (VP (MD would) (RB not) (VP (VB work))) (. .)))